Home / 415,444,985.90-623,167,478.85-173,076,397.10

Finding the Fourth Proportional to 415,444,985.90, 623,167,478.85 and 173,076,397.10

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Solution

The fourth proportional to 415,444,985.90, 623,167,478.85 and 173,076,397.10 is: 259,614,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,444,985.90 : 623,167,478.85 = 173,076,397.10 : x
  2. Step 2: Convert to fraction form
    415,444,985.90/623,167,478.85 = 173,076,397.10/x
  3. Step 3: Cross multiply
    415,444,985.90x = 623,167,478.85 × 173,076,397.10
  4. Step 4: Simplify right side
    415,444,985.90x = 107,855,582,029,248,448
  5. Step 5: Solve for x
    x = 107,855,582,029,248,448/415,444,985.90
  6. Step 6: Final answer
    x = 259,614,595.65

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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.