Home / 668,351,846.16-1,002,733,084.80-319,043,681.28

Finding the Fourth Proportional to 668,351,846.16, 1,002,733,084.80 and 319,043,681.28

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Solution

The fourth proportional to 668,351,846.16, 1,002,733,084.80 and 319,043,681.28 is: 478,663,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,351,846.16 : 1,002,733,084.80 = 319,043,681.28 : x
  2. Step 2: Convert to fraction form
    668,351,846.16/1,002,733,084.80 = 319,043,681.28/x
  3. Step 3: Cross multiply
    668,351,846.16x = 1,002,733,084.80 × 319,043,681.28
  4. Step 4: Simplify right side
    668,351,846.16x = 319,915,654,715,842,368
  5. Step 5: Solve for x
    x = 319,915,654,715,842,368/668,351,846.16
  6. Step 6: Final answer
    x = 478,663,531.12

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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.