Home / 10,262,064,919.10-15,387,485,895.47-8,148,487,590.40

Finding the Fourth Proportional to 10,262,064,919.10, 15,387,485,895.47 and 8,148,487,590.40

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Solution

The fourth proportional to 10,262,064,919.10, 15,387,485,895.47 and 8,148,487,590.40 is: 12,218,275,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262,064,919.10 : 15,387,485,895.47 = 8,148,487,590.40 : x
  2. Step 2: Convert to fraction form
    10,262,064,919.10/15,387,485,895.47 = 8,148,487,590.40/x
  3. Step 3: Cross multiply
    10,262,064,919.10x = 15,387,485,895.47 × 8,148,487,590.40
  4. Step 4: Simplify right side
    10,262,064,919.10x = 125,384,737,866,636,296,192
  5. Step 5: Solve for x
    x = 125,384,737,866,636,296,192/10,262,064,919.10
  6. Step 6: Final answer
    x = 12,218,275,644.83

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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.