Home / 426,492,001.08-639,738,001.61-357,617,247.48

Finding the Fourth Proportional to 426,492,001.08, 639,738,001.61 and 357,617,247.48

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Solution

The fourth proportional to 426,492,001.08, 639,738,001.61 and 357,617,247.48 is: 536,425,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,492,001.08 : 639,738,001.61 = 357,617,247.48 : x
  2. Step 2: Convert to fraction form
    426,492,001.08/639,738,001.61 = 357,617,247.48/x
  3. Step 3: Cross multiply
    426,492,001.08x = 639,738,001.61 × 357,617,247.48
  4. Step 4: Simplify right side
    426,492,001.08x = 228,781,343,244,124,032
  5. Step 5: Solve for x
    x = 228,781,343,244,124,032/426,492,001.08
  6. Step 6: Final answer
    x = 536,425,871.21

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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.