Home / 570,293,082.76-787,005,036.66-309,532,752.52

Finding the Fourth Proportional to 570,293,082.76, 787,005,036.66 and 309,532,752.52

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Solution

The fourth proportional to 570,293,082.76, 787,005,036.66 and 309,532,752.52 is: 427,155,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,293,082.76 : 787,005,036.66 = 309,532,752.52 : x
  2. Step 2: Convert to fraction form
    570,293,082.76/787,005,036.66 = 309,532,752.52/x
  3. Step 3: Cross multiply
    570,293,082.76x = 787,005,036.66 × 309,532,752.52
  4. Step 4: Simplify right side
    570,293,082.76x = 243,603,835,244,473,280
  5. Step 5: Solve for x
    x = 243,603,835,244,473,280/570,293,082.76
  6. Step 6: Final answer
    x = 427,155,514.61

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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.