Home / 1,008,002,885.70-1,510,809,934.95-425,736,005.70

Finding the Fourth Proportional to 1,008,002,885.70, 1,510,809,934.95 and 425,736,005.70

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Solution

The fourth proportional to 1,008,002,885.70, 1,510,809,934.95 and 425,736,005.70 is: 638,099,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,002,885.70 : 1,510,809,934.95 = 425,736,005.70 : x
  2. Step 2: Convert to fraction form
    1,008,002,885.70/1,510,809,934.95 = 425,736,005.70/x
  3. Step 3: Cross multiply
    1,008,002,885.70x = 1,510,809,934.95 × 425,736,005.70
  4. Step 4: Simplify right side
    1,008,002,885.70x = 643,206,187,077,489,792
  5. Step 5: Solve for x
    x = 643,206,187,077,489,792/1,008,002,885.70
  6. Step 6: Final answer
    x = 638,099,549.32

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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.