Home / 527,371,833.96-790,980,748.86-153,779,329.08

Finding the Fourth Proportional to 527,371,833.96, 790,980,748.86 and 153,779,329.08

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Solution

The fourth proportional to 527,371,833.96, 790,980,748.86 and 153,779,329.08 is: 230,646,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,371,833.96 : 790,980,748.86 = 153,779,329.08 : x
  2. Step 2: Convert to fraction form
    527,371,833.96/790,980,748.86 = 153,779,329.08/x
  3. Step 3: Cross multiply
    527,371,833.96x = 790,980,748.86 × 153,779,329.08
  4. Step 4: Simplify right side
    527,371,833.96x = 121,636,488,874,886,784
  5. Step 5: Solve for x
    x = 121,636,488,874,886,784/527,371,833.96
  6. Step 6: Final answer
    x = 230,646,540.15

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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.