Home / 929,712,082.30-1,283,142,158.49-706,326,172.36

Finding the Fourth Proportional to 929,712,082.30, 1,283,142,158.49 and 706,326,172.36

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Solution

The fourth proportional to 929,712,082.30, 1,283,142,158.49 and 706,326,172.36 is: 974,836,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,712,082.30 : 1,283,142,158.49 = 706,326,172.36 : x
  2. Step 2: Convert to fraction form
    929,712,082.30/1,283,142,158.49 = 706,326,172.36/x
  3. Step 3: Cross multiply
    929,712,082.30x = 1,283,142,158.49 × 706,326,172.36
  4. Step 4: Simplify right side
    929,712,082.30x = 906,316,889,399,990,144
  5. Step 5: Solve for x
    x = 906,316,889,399,990,144/929,712,082.30
  6. Step 6: Final answer
    x = 974,836,088.13

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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.