Home / 1,323,219,792.40-1,984,829,688.60-546,607,344.40

Finding the Fourth Proportional to 1,323,219,792.40, 1,984,829,688.60 and 546,607,344.40

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Solution

The fourth proportional to 1,323,219,792.40, 1,984,829,688.60 and 546,607,344.40 is: 819,911,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,219,792.40 : 1,984,829,688.60 = 546,607,344.40 : x
  2. Step 2: Convert to fraction form
    1,323,219,792.40/1,984,829,688.60 = 546,607,344.40/x
  3. Step 3: Cross multiply
    1,323,219,792.40x = 1,984,829,688.60 × 546,607,344.40
  4. Step 4: Simplify right side
    1,323,219,792.40x = 1,084,922,485,171,924,864
  5. Step 5: Solve for x
    x = 1,084,922,485,171,924,864/1,323,219,792.40
  6. Step 6: Final answer
    x = 819,911,016.60

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Half scale
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Double scale
Find fourth proportional to 1,323,219,793.40, 1,984,829,690.10 and 546,607,345.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.