Home / 651,888,762.70-977,833,144.05-445,264,501.90

Finding the Fourth Proportional to 651,888,762.70, 977,833,144.05 and 445,264,501.90

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Solution

The fourth proportional to 651,888,762.70, 977,833,144.05 and 445,264,501.90 is: 667,896,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,888,762.70 : 977,833,144.05 = 445,264,501.90 : x
  2. Step 2: Convert to fraction form
    651,888,762.70/977,833,144.05 = 445,264,501.90/x
  3. Step 3: Cross multiply
    651,888,762.70x = 977,833,144.05 × 445,264,501.90
  4. Step 4: Simplify right side
    651,888,762.70x = 435,394,387,826,734,144
  5. Step 5: Solve for x
    x = 435,394,387,826,734,144/651,888,762.70
  6. Step 6: Final answer
    x = 667,896,752.85

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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.