Home / 430,034,830.20-644,643,590.58-274,151,068.92

Finding the Fourth Proportional to 430,034,830.20, 644,643,590.58 and 274,151,068.92

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Solution

The fourth proportional to 430,034,830.20, 644,643,590.58 and 274,151,068.92 is: 410,966,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,034,830.20 : 644,643,590.58 = 274,151,068.92 : x
  2. Step 2: Convert to fraction form
    430,034,830.20/644,643,590.58 = 274,151,068.92/x
  3. Step 3: Cross multiply
    430,034,830.20x = 644,643,590.58 × 274,151,068.92
  4. Step 4: Simplify right side
    430,034,830.20x = 176,729,729,429,933,856
  5. Step 5: Solve for x
    x = 176,729,729,429,933,856/430,034,830.20
  6. Step 6: Final answer
    x = 410,966,082.32

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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.