Home / 402,615,754.64-555,598,486.90-243,939,823.90

Finding the Fourth Proportional to 402,615,754.64, 555,598,486.90 and 243,939,823.90

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Solution

The fourth proportional to 402,615,754.64, 555,598,486.90 and 243,939,823.90 is: 336,630,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,615,754.64 : 555,598,486.90 = 243,939,823.90 : x
  2. Step 2: Convert to fraction form
    402,615,754.64/555,598,486.90 = 243,939,823.90/x
  3. Step 3: Cross multiply
    402,615,754.64x = 555,598,486.90 × 243,939,823.90
  4. Step 4: Simplify right side
    402,615,754.64x = 135,532,597,053,492,448
  5. Step 5: Solve for x
    x = 135,532,597,053,492,448/402,615,754.64
  6. Step 6: Final answer
    x = 336,630,138.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.