Home / 517,929,812.84-714,734,799.78-282,975,426.92

Finding the Fourth Proportional to 517,929,812.84, 714,734,799.78 and 282,975,426.92

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Solution

The fourth proportional to 517,929,812.84, 714,734,799.78 and 282,975,426.92 is: 390,501,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,929,812.84 : 714,734,799.78 = 282,975,426.92 : x
  2. Step 2: Convert to fraction form
    517,929,812.84/714,734,799.78 = 282,975,426.92/x
  3. Step 3: Cross multiply
    517,929,812.84x = 714,734,799.78 × 282,975,426.92
  4. Step 4: Simplify right side
    517,929,812.84x = 202,252,385,102,326,240
  5. Step 5: Solve for x
    x = 202,252,385,102,326,240/517,929,812.84
  6. Step 6: Final answer
    x = 390,501,531.46

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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.