Home / 651,888,763.70-977,833,145.55-445,264,502.90

Finding the Fourth Proportional to 651,888,763.70, 977,833,145.55 and 445,264,502.90

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Solution

The fourth proportional to 651,888,763.70, 977,833,145.55 and 445,264,502.90 is: 667,896,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,888,763.70 : 977,833,145.55 = 445,264,502.90 : x
  2. Step 2: Convert to fraction form
    651,888,763.70/977,833,145.55 = 445,264,502.90/x
  3. Step 3: Cross multiply
    651,888,763.70x = 977,833,145.55 × 445,264,502.90
  4. Step 4: Simplify right side
    651,888,763.70x = 435,394,389,472,464,064
  5. Step 5: Solve for x
    x = 435,394,389,472,464,064/651,888,763.70
  6. Step 6: Final answer
    x = 667,896,754.35

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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.