Home / 769,559,390.88-1,061,963,508.20-417,127,814.80

Finding the Fourth Proportional to 769,559,390.88, 1,061,963,508.20 and 417,127,814.80

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Solution

The fourth proportional to 769,559,390.88, 1,061,963,508.20 and 417,127,814.80 is: 575,620,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,390.88 : 1,061,963,508.20 = 417,127,814.80 : x
  2. Step 2: Convert to fraction form
    769,559,390.88/1,061,963,508.20 = 417,127,814.80/x
  3. Step 3: Cross multiply
    769,559,390.88x = 1,061,963,508.20 × 417,127,814.80
  4. Step 4: Simplify right side
    769,559,390.88x = 442,974,517,572,807,936
  5. Step 5: Solve for x
    x = 442,974,517,572,807,936/769,559,390.88
  6. Step 6: Final answer
    x = 575,620,962.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.