Home / 862,924,076.97-1,190,834,712.80-466,447,072.87

Finding the Fourth Proportional to 862,924,076.97, 1,190,834,712.80 and 466,447,072.87

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Solution

The fourth proportional to 862,924,076.97, 1,190,834,712.80 and 466,447,072.87 is: 643,696,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,924,076.97 : 1,190,834,712.80 = 466,447,072.87 : x
  2. Step 2: Convert to fraction form
    862,924,076.97/1,190,834,712.80 = 466,447,072.87/x
  3. Step 3: Cross multiply
    862,924,076.97x = 1,190,834,712.80 × 466,447,072.87
  4. Step 4: Simplify right side
    862,924,076.97x = 555,461,366,057,547,136
  5. Step 5: Solve for x
    x = 555,461,366,057,547,136/862,924,076.97
  6. Step 6: Final answer
    x = 643,696,683.04

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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.