Home / 379,119,038.40-568,678,557.60-314,495,812.80

Finding the Fourth Proportional to 379,119,038.40, 568,678,557.60 and 314,495,812.80

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Solution

The fourth proportional to 379,119,038.40, 568,678,557.60 and 314,495,812.80 is: 471,743,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,119,038.40 : 568,678,557.60 = 314,495,812.80 : x
  2. Step 2: Convert to fraction form
    379,119,038.40/568,678,557.60 = 314,495,812.80/x
  3. Step 3: Cross multiply
    379,119,038.40x = 568,678,557.60 × 314,495,812.80
  4. Step 4: Simplify right side
    379,119,038.40x = 178,847,025,194,343,616
  5. Step 5: Solve for x
    x = 178,847,025,194,343,616/379,119,038.40
  6. Step 6: Final answer
    x = 471,743,719.20

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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.