Home / 572,479,497,555.20-858,719,246,332.80-153,763,321,990.40

Finding the Fourth Proportional to 572,479,497,555.20, 858,719,246,332.80 and 153,763,321,990.40

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Solution

The fourth proportional to 572,479,497,555.20, 858,719,246,332.80 and 153,763,321,990.40 is: 230,644,982,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,479,497,555.20 : 858,719,246,332.80 = 153,763,321,990.40 : x
  2. Step 2: Convert to fraction form
    572,479,497,555.20/858,719,246,332.80 = 153,763,321,990.40/x
  3. Step 3: Cross multiply
    572,479,497,555.20x = 858,719,246,332.80 × 153,763,321,990.40
  4. Step 4: Simplify right side
    572,479,497,555.20x = 132,039,523,973,223,948,484,608
  5. Step 5: Solve for x
    x = 132,039,523,973,223,948,484,608/572,479,497,555.20
  6. Step 6: Final answer
    x = 230,644,982,985.60

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Double scale
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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.