Home / 760,348,140.12-1,049,754,337.02-522,602,694.36

Finding the Fourth Proportional to 760,348,140.12, 1,049,754,337.02 and 522,602,694.36

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Solution

The fourth proportional to 760,348,140.12, 1,049,754,337.02 and 522,602,694.36 is: 721,517,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,348,140.12 : 1,049,754,337.02 = 522,602,694.36 : x
  2. Step 2: Convert to fraction form
    760,348,140.12/1,049,754,337.02 = 522,602,694.36/x
  3. Step 3: Cross multiply
    760,348,140.12x = 1,049,754,337.02 × 522,602,694.36
  4. Step 4: Simplify right side
    760,348,140.12x = 548,604,444,942,747,520
  5. Step 5: Solve for x
    x = 548,604,444,942,747,520/760,348,140.12
  6. Step 6: Final answer
    x = 721,517,441.81

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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.