Home / 526,654,528.40-789,984,417-215,931,866.96

Finding the Fourth Proportional to 526,654,528.40, 789,984,417 and 215,931,866.96

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Solution

The fourth proportional to 526,654,528.40, 789,984,417 and 215,931,866.96 is: 323,898,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,654,528.40 : 789,984,417 = 215,931,866.96 : x
  2. Step 2: Convert to fraction form
    526,654,528.40/789,984,417 = 215,931,866.96/x
  3. Step 3: Cross multiply
    526,654,528.40x = 789,984,417 × 215,931,866.96
  4. Step 4: Simplify right side
    526,654,528.40x = 170,582,810,032,117,184
  5. Step 5: Solve for x
    x = 170,582,810,032,117,184/526,654,528.40
  6. Step 6: Final answer
    x = 323,898,876.46

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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.