Home / 499,243,345.68-748,967,156.46-171,676,316.28

Finding the Fourth Proportional to 499,243,345.68, 748,967,156.46 and 171,676,316.28

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Solution

The fourth proportional to 499,243,345.68, 748,967,156.46 and 171,676,316.28 is: 257,549,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,243,345.68 : 748,967,156.46 = 171,676,316.28 : x
  2. Step 2: Convert to fraction form
    499,243,345.68/748,967,156.46 = 171,676,316.28/x
  3. Step 3: Cross multiply
    499,243,345.68x = 748,967,156.46 × 171,676,316.28
  4. Step 4: Simplify right side
    499,243,345.68x = 128,579,922,435,759,216
  5. Step 5: Solve for x
    x = 128,579,922,435,759,216/499,243,345.68
  6. Step 6: Final answer
    x = 257,549,596.90

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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.