Home / 864,350,411.54-1,191,618,160.13-546,652,313.60

Finding the Fourth Proportional to 864,350,411.54, 1,191,618,160.13 and 546,652,313.60

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Solution

The fourth proportional to 864,350,411.54, 1,191,618,160.13 and 546,652,313.60 is: 753,630,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,350,411.54 : 1,191,618,160.13 = 546,652,313.60 : x
  2. Step 2: Convert to fraction form
    864,350,411.54/1,191,618,160.13 = 546,652,313.60/x
  3. Step 3: Cross multiply
    864,350,411.54x = 1,191,618,160.13 × 546,652,313.60
  4. Step 4: Simplify right side
    864,350,411.54x = 651,400,824,160,106,496
  5. Step 5: Solve for x
    x = 651,400,824,160,106,496/864,350,411.54
  6. Step 6: Final answer
    x = 753,630,489.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.