Home / 411,345,384.48-617,064,881.76-149,153,432.40

Finding the Fourth Proportional to 411,345,384.48, 617,064,881.76 and 149,153,432.40

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Solution

The fourth proportional to 411,345,384.48, 617,064,881.76 and 149,153,432.40 is: 223,747,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,345,384.48 : 617,064,881.76 = 149,153,432.40 : x
  2. Step 2: Convert to fraction form
    411,345,384.48/617,064,881.76 = 149,153,432.40/x
  3. Step 3: Cross multiply
    411,345,384.48x = 617,064,881.76 × 149,153,432.40
  4. Step 4: Simplify right side
    411,345,384.48x = 92,037,345,128,004,160
  5. Step 5: Solve for x
    x = 92,037,345,128,004,160/411,345,384.48
  6. Step 6: Final answer
    x = 223,747,120.06

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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.