Home / 1,418,472,030.60-2,127,708,045.90-871,439,761.80

Finding the Fourth Proportional to 1,418,472,030.60, 2,127,708,045.90 and 871,439,761.80

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Solution

The fourth proportional to 1,418,472,030.60, 2,127,708,045.90 and 871,439,761.80 is: 1,307,159,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,472,030.60 : 2,127,708,045.90 = 871,439,761.80 : x
  2. Step 2: Convert to fraction form
    1,418,472,030.60/2,127,708,045.90 = 871,439,761.80/x
  3. Step 3: Cross multiply
    1,418,472,030.60x = 2,127,708,045.90 × 871,439,761.80
  4. Step 4: Simplify right side
    1,418,472,030.60x = 1,854,169,392,699,039,488
  5. Step 5: Solve for x
    x = 1,854,169,392,699,039,488/1,418,472,030.60
  6. Step 6: Final answer
    x = 1,307,159,642.70

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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.