Home / 334,692,031.20-502,038,046.80-281,122,778.40

Finding the Fourth Proportional to 334,692,031.20, 502,038,046.80 and 281,122,778.40

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Solution

The fourth proportional to 334,692,031.20, 502,038,046.80 and 281,122,778.40 is: 421,684,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,692,031.20 : 502,038,046.80 = 281,122,778.40 : x
  2. Step 2: Convert to fraction form
    334,692,031.20/502,038,046.80 = 281,122,778.40/x
  3. Step 3: Cross multiply
    334,692,031.20x = 502,038,046.80 × 281,122,778.40
  4. Step 4: Simplify right side
    334,692,031.20x = 141,134,330,578,925,216
  5. Step 5: Solve for x
    x = 141,134,330,578,925,216/334,692,031.20
  6. Step 6: Final answer
    x = 421,684,167.60

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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.