Home / 162,410,542,294.16-243,516,521,791.20-77,446,323,402.86

Finding the Fourth Proportional to 162,410,542,294.16, 243,516,521,791.20 and 77,446,323,402.86

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Solution

The fourth proportional to 162,410,542,294.16, 243,516,521,791.20 and 77,446,323,402.86 is: 116,122,137,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,410,542,294.16 : 243,516,521,791.20 = 77,446,323,402.86 : x
  2. Step 2: Convert to fraction form
    162,410,542,294.16/243,516,521,791.20 = 77,446,323,402.86/x
  3. Step 3: Cross multiply
    162,410,542,294.16x = 243,516,521,791.20 × 77,446,323,402.86
  4. Step 4: Simplify right side
    162,410,542,294.16x = 18,859,459,300,580,881,596,416
  5. Step 5: Solve for x
    x = 18,859,459,300,580,881,596,416/162,410,542,294.16
  6. Step 6: Final answer
    x = 116,122,137,357.45

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1.5x scale

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.