Home / 947,963,108.40-1,421,944,662.60-488,798,084.40

Finding the Fourth Proportional to 947,963,108.40, 1,421,944,662.60 and 488,798,084.40

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Solution

The fourth proportional to 947,963,108.40, 1,421,944,662.60 and 488,798,084.40 is: 733,197,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,963,108.40 : 1,421,944,662.60 = 488,798,084.40 : x
  2. Step 2: Convert to fraction form
    947,963,108.40/1,421,944,662.60 = 488,798,084.40/x
  3. Step 3: Cross multiply
    947,963,108.40x = 1,421,944,662.60 × 488,798,084.40
  4. Step 4: Simplify right side
    947,963,108.40x = 695,043,827,201,684,224
  5. Step 5: Solve for x
    x = 695,043,827,201,684,224/947,963,108.40
  6. Step 6: Final answer
    x = 733,197,126.60

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Double scale
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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.