Home / 2,391,243,159.90-3,300,571,909.17-1,387,983,946.08

Finding the Fourth Proportional to 2,391,243,159.90, 3,300,571,909.17 and 1,387,983,946.08

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Solution

The fourth proportional to 2,391,243,159.90, 3,300,571,909.17 and 1,387,983,946.08 is: 1,915,798,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,243,159.90 : 3,300,571,909.17 = 1,387,983,946.08 : x
  2. Step 2: Convert to fraction form
    2,391,243,159.90/3,300,571,909.17 = 1,387,983,946.08/x
  3. Step 3: Cross multiply
    2,391,243,159.90x = 3,300,571,909.17 × 1,387,983,946.08
  4. Step 4: Simplify right side
    2,391,243,159.90x = 4,581,140,822,810,575,872
  5. Step 5: Solve for x
    x = 4,581,140,822,810,575,872/2,391,243,159.90
  6. Step 6: Final answer
    x = 1,915,798,819.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.