Home / 1,139,545,267.80-1,572,737,626.60-656,643,269.30

Finding the Fourth Proportional to 1,139,545,267.80, 1,572,737,626.60 and 656,643,269.30

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Solution

The fourth proportional to 1,139,545,267.80, 1,572,737,626.60 and 656,643,269.30 is: 906,262,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,545,267.80 : 1,572,737,626.60 = 656,643,269.30 : x
  2. Step 2: Convert to fraction form
    1,139,545,267.80/1,572,737,626.60 = 656,643,269.30/x
  3. Step 3: Cross multiply
    1,139,545,267.80x = 1,572,737,626.60 × 656,643,269.30
  4. Step 4: Simplify right side
    1,139,545,267.80x = 1,032,727,576,881,746,560
  5. Step 5: Solve for x
    x = 1,032,727,576,881,746,560/1,139,545,267.80
  6. Step 6: Final answer
    x = 906,262,880.52

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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.