Home / 10,239,130,132.18-15,358,695,235.12-2,878,140,841.18

Finding the Fourth Proportional to 10,239,130,132.18, 15,358,695,235.12 and 2,878,140,841.18

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Solution

The fourth proportional to 10,239,130,132.18, 15,358,695,235.12 and 2,878,140,841.18 is: 4,317,211,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,130,132.18 : 15,358,695,235.12 = 2,878,140,841.18 : x
  2. Step 2: Convert to fraction form
    10,239,130,132.18/15,358,695,235.12 = 2,878,140,841.18/x
  3. Step 3: Cross multiply
    10,239,130,132.18x = 15,358,695,235.12 × 2,878,140,841.18
  4. Step 4: Simplify right side
    10,239,130,132.18x = 44,204,488,023,401,553,920
  5. Step 5: Solve for x
    x = 44,204,488,023,401,553,920/10,239,130,132.18
  6. Step 6: Final answer
    x = 4,317,211,272.13

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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.