Home / 696,186,139.98-1,044,398,182.77-287,018,618.70

Finding the Fourth Proportional to 696,186,139.98, 1,044,398,182.77 and 287,018,618.70

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Solution

The fourth proportional to 696,186,139.98, 1,044,398,182.77 and 287,018,618.70 is: 430,576,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,186,139.98 : 1,044,398,182.77 = 287,018,618.70 : x
  2. Step 2: Convert to fraction form
    696,186,139.98/1,044,398,182.77 = 287,018,618.70/x
  3. Step 3: Cross multiply
    696,186,139.98x = 1,044,398,182.77 × 287,018,618.70
  4. Step 4: Simplify right side
    696,186,139.98x = 299,761,723,791,435,520
  5. Step 5: Solve for x
    x = 299,761,723,791,435,520/696,186,139.98
  6. Step 6: Final answer
    x = 430,576,977.30

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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.