Home / 527,371,830.95-790,980,744.38-153,779,326.07

Finding the Fourth Proportional to 527,371,830.95, 790,980,744.38 and 153,779,326.07

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Solution

The fourth proportional to 527,371,830.95, 790,980,744.38 and 153,779,326.07 is: 230,646,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,371,830.95 : 790,980,744.38 = 153,779,326.07 : x
  2. Step 2: Convert to fraction form
    527,371,830.95/790,980,744.38 = 153,779,326.07/x
  3. Step 3: Cross multiply
    527,371,830.95x = 790,980,744.38 × 153,779,326.07
  4. Step 4: Simplify right side
    527,371,830.95x = 121,636,485,800,379,536
  5. Step 5: Solve for x
    x = 121,636,485,800,379,536/527,371,830.95
  6. Step 6: Final answer
    x = 230,646,535.64

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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.