Home / 749,892,464.79-1,124,892,579.60-258,598,666.86

Finding the Fourth Proportional to 749,892,464.79, 1,124,892,579.60 and 258,598,666.86

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Solution

The fourth proportional to 749,892,464.79, 1,124,892,579.60 and 258,598,666.86 is: 387,916,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,892,464.79 : 1,124,892,579.60 = 258,598,666.86 : x
  2. Step 2: Convert to fraction form
    749,892,464.79/1,124,892,579.60 = 258,598,666.86/x
  3. Step 3: Cross multiply
    749,892,464.79x = 1,124,892,579.60 × 258,598,666.86
  4. Step 4: Simplify right side
    749,892,464.79x = 290,895,721,445,266,432
  5. Step 5: Solve for x
    x = 290,895,721,445,266,432/749,892,464.79
  6. Step 6: Final answer
    x = 387,916,581.52

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1.5x scale

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.