Home / 531,941,839.12-797,220,656.94-216,440,184.16

Finding the Fourth Proportional to 531,941,839.12, 797,220,656.94 and 216,440,184.16

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Solution

The fourth proportional to 531,941,839.12, 797,220,656.94 and 216,440,184.16 is: 324,378,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,941,839.12 : 797,220,656.94 = 216,440,184.16 : x
  2. Step 2: Convert to fraction form
    531,941,839.12/797,220,656.94 = 216,440,184.16/x
  3. Step 3: Cross multiply
    531,941,839.12x = 797,220,656.94 × 216,440,184.16
  4. Step 4: Simplify right side
    531,941,839.12x = 172,550,585,804,249,792
  5. Step 5: Solve for x
    x = 172,550,585,804,249,792/531,941,839.12
  6. Step 6: Final answer
    x = 324,378,669.08

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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.