Home / 708,590,082.80-1,062,885,124.20-553,621,887.20

Finding the Fourth Proportional to 708,590,082.80, 1,062,885,124.20 and 553,621,887.20

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Solution

The fourth proportional to 708,590,082.80, 1,062,885,124.20 and 553,621,887.20 is: 830,432,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,082.80 : 1,062,885,124.20 = 553,621,887.20 : x
  2. Step 2: Convert to fraction form
    708,590,082.80/1,062,885,124.20 = 553,621,887.20/x
  3. Step 3: Cross multiply
    708,590,082.80x = 1,062,885,124.20 × 553,621,887.20
  4. Step 4: Simplify right side
    708,590,082.80x = 588,436,468,336,410,496
  5. Step 5: Solve for x
    x = 588,436,468,336,410,496/708,590,082.80
  6. Step 6: Final answer
    x = 830,432,830.80

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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.