Home / 524,160,147.70-786,240,221.55-517,357,702.90

Finding the Fourth Proportional to 524,160,147.70, 786,240,221.55 and 517,357,702.90

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Solution

The fourth proportional to 524,160,147.70, 786,240,221.55 and 517,357,702.90 is: 776,036,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,160,147.70 : 786,240,221.55 = 517,357,702.90 : x
  2. Step 2: Convert to fraction form
    524,160,147.70/786,240,221.55 = 517,357,702.90/x
  3. Step 3: Cross multiply
    524,160,147.70x = 786,240,221.55 × 517,357,702.90
  4. Step 4: Simplify right side
    524,160,147.70x = 406,767,434,948,695,040
  5. Step 5: Solve for x
    x = 406,767,434,948,695,040/524,160,147.70
  6. Step 6: Final answer
    x = 776,036,554.35

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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.