Home / 1,347,226,091.20-2,020,839,136.80-657,575,761.60

Finding the Fourth Proportional to 1,347,226,091.20, 2,020,839,136.80 and 657,575,761.60

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Solution

The fourth proportional to 1,347,226,091.20, 2,020,839,136.80 and 657,575,761.60 is: 986,363,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,226,091.20 : 2,020,839,136.80 = 657,575,761.60 : x
  2. Step 2: Convert to fraction form
    1,347,226,091.20/2,020,839,136.80 = 657,575,761.60/x
  3. Step 3: Cross multiply
    1,347,226,091.20x = 2,020,839,136.80 × 657,575,761.60
  4. Step 4: Simplify right side
    1,347,226,091.20x = 1,328,854,834,452,346,624
  5. Step 5: Solve for x
    x = 1,328,854,834,452,346,624/1,347,226,091.20
  6. Step 6: Final answer
    x = 986,363,642.40

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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.