Home / 334,692,751.20-502,039,126.80-281,123,498.40

Finding the Fourth Proportional to 334,692,751.20, 502,039,126.80 and 281,123,498.40

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Solution

The fourth proportional to 334,692,751.20, 502,039,126.80 and 281,123,498.40 is: 421,685,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,692,751.20 : 502,039,126.80 = 281,123,498.40 : x
  2. Step 2: Convert to fraction form
    334,692,751.20/502,039,126.80 = 281,123,498.40/x
  3. Step 3: Cross multiply
    334,692,751.20x = 502,039,126.80 × 281,123,498.40
  4. Step 4: Simplify right side
    334,692,751.20x = 141,134,995,659,697,184
  5. Step 5: Solve for x
    x = 141,134,995,659,697,184/334,692,751.20
  6. Step 6: Final answer
    x = 421,685,247.60

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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.