Home / 1,319,397,737.74-1,820,790,710.40-724,737,172.48

Finding the Fourth Proportional to 1,319,397,737.74, 1,820,790,710.40 and 724,737,172.48

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Solution

The fourth proportional to 1,319,397,737.74, 1,820,790,710.40 and 724,737,172.48 is: 1,000,149,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,397,737.74 : 1,820,790,710.40 = 724,737,172.48 : x
  2. Step 2: Convert to fraction form
    1,319,397,737.74/1,820,790,710.40 = 724,737,172.48/x
  3. Step 3: Cross multiply
    1,319,397,737.74x = 1,820,790,710.40 × 724,737,172.48
  4. Step 4: Simplify right side
    1,319,397,737.74x = 1,319,594,711,133,146,624
  5. Step 5: Solve for x
    x = 1,319,594,711,133,146,624/1,319,397,737.74
  6. Step 6: Final answer
    x = 1,000,149,290.38

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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.