Home / 581,269,478.72-871,043,181.60-478,369,437.44

Finding the Fourth Proportional to 581,269,478.72, 871,043,181.60 and 478,369,437.44

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Solution

The fourth proportional to 581,269,478.72, 871,043,181.60 and 478,369,437.44 is: 716,845,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,269,478.72 : 871,043,181.60 = 478,369,437.44 : x
  2. Step 2: Convert to fraction form
    581,269,478.72/871,043,181.60 = 478,369,437.44/x
  3. Step 3: Cross multiply
    581,269,478.72x = 871,043,181.60 × 478,369,437.44
  4. Step 4: Simplify right side
    581,269,478.72x = 416,680,436,767,939,776
  5. Step 5: Solve for x
    x = 416,680,436,767,939,776/581,269,478.72
  6. Step 6: Final answer
    x = 716,845,545.87

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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.