Home / 395,118,023.40-592,677,035.10-257,368,516.20

Finding the Fourth Proportional to 395,118,023.40, 592,677,035.10 and 257,368,516.20

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Solution

The fourth proportional to 395,118,023.40, 592,677,035.10 and 257,368,516.20 is: 386,052,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,118,023.40 : 592,677,035.10 = 257,368,516.20 : x
  2. Step 2: Convert to fraction form
    395,118,023.40/592,677,035.10 = 257,368,516.20/x
  3. Step 3: Cross multiply
    395,118,023.40x = 592,677,035.10 × 257,368,516.20
  4. Step 4: Simplify right side
    395,118,023.40x = 152,536,409,109,502,304
  5. Step 5: Solve for x
    x = 152,536,409,109,502,304/395,118,023.40
  6. Step 6: Final answer
    x = 386,052,774.30

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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.