Home / 732,842,954.61-1,011,318,560.31-419,637,703.11

Finding the Fourth Proportional to 732,842,954.61, 1,011,318,560.31 and 419,637,703.11

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Solution

The fourth proportional to 732,842,954.61, 1,011,318,560.31 and 419,637,703.11 is: 579,097,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,842,954.61 : 1,011,318,560.31 = 419,637,703.11 : x
  2. Step 2: Convert to fraction form
    732,842,954.61/1,011,318,560.31 = 419,637,703.11/x
  3. Step 3: Cross multiply
    732,842,954.61x = 1,011,318,560.31 × 419,637,703.11
  4. Step 4: Simplify right side
    732,842,954.61x = 424,387,397,758,802,560
  5. Step 5: Solve for x
    x = 424,387,397,758,802,560/732,842,954.61
  6. Step 6: Final answer
    x = 579,097,329.23

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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.