Home / 510,607,587.10-764,777,639.85-419,908,323.10

Finding the Fourth Proportional to 510,607,587.10, 764,777,639.85 and 419,908,323.10

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Solution

The fourth proportional to 510,607,587.10, 764,777,639.85 and 419,908,323.10 is: 628,930,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,607,587.10 : 764,777,639.85 = 419,908,323.10 : x
  2. Step 2: Convert to fraction form
    510,607,587.10/764,777,639.85 = 419,908,323.10/x
  3. Step 3: Cross multiply
    510,607,587.10x = 764,777,639.85 × 419,908,323.10
  4. Step 4: Simplify right side
    510,607,587.10x = 321,136,496,293,789,248
  5. Step 5: Solve for x
    x = 321,136,496,293,789,248/510,607,587.10
  6. Step 6: Final answer
    x = 628,930,130.31

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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.