Home / 645,560,718.95-968,710,082.18-350,479,830.89

Finding the Fourth Proportional to 645,560,718.95, 968,710,082.18 and 350,479,830.89

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Solution

The fourth proportional to 645,560,718.95, 968,710,082.18 and 350,479,830.89 is: 525,920,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,560,718.95 : 968,710,082.18 = 350,479,830.89 : x
  2. Step 2: Convert to fraction form
    645,560,718.95/968,710,082.18 = 350,479,830.89/x
  3. Step 3: Cross multiply
    645,560,718.95x = 968,710,082.18 × 350,479,830.89
  4. Step 4: Simplify right side
    645,560,718.95x = 339,513,345,777,288,448
  5. Step 5: Solve for x
    x = 339,513,345,777,288,448/645,560,718.95
  6. Step 6: Final answer
    x = 525,920,081.28

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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.