Home / 334,413,621.60-501,620,432.40-257,886,117.60

Finding the Fourth Proportional to 334,413,621.60, 501,620,432.40 and 257,886,117.60

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Solution

The fourth proportional to 334,413,621.60, 501,620,432.40 and 257,886,117.60 is: 386,829,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,413,621.60 : 501,620,432.40 = 257,886,117.60 : x
  2. Step 2: Convert to fraction form
    334,413,621.60/501,620,432.40 = 257,886,117.60/x
  3. Step 3: Cross multiply
    334,413,621.60x = 501,620,432.40 × 257,886,117.60
  4. Step 4: Simplify right side
    334,413,621.60x = 129,360,945,820,469,248
  5. Step 5: Solve for x
    x = 129,360,945,820,469,248/334,413,621.60
  6. Step 6: Final answer
    x = 386,829,176.40

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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.