Home / 578,754,698.40-869,139,817.20-306,656,906.40

Finding the Fourth Proportional to 578,754,698.40, 869,139,817.20 and 306,656,906.40

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Solution

The fourth proportional to 578,754,698.40, 869,139,817.20 and 306,656,906.40 is: 460,519,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,754,698.40 : 869,139,817.20 = 306,656,906.40 : x
  2. Step 2: Convert to fraction form
    578,754,698.40/869,139,817.20 = 306,656,906.40/x
  3. Step 3: Cross multiply
    578,754,698.40x = 869,139,817.20 × 306,656,906.40
  4. Step 4: Simplify right side
    578,754,698.40x = 266,527,727,571,613,504
  5. Step 5: Solve for x
    x = 266,527,727,571,613,504/578,754,698.40
  6. Step 6: Final answer
    x = 460,519,332.82

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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.