Home / 3,406,107,340.80-5,109,161,011.20-918,963,460.80

Finding the Fourth Proportional to 3,406,107,340.80, 5,109,161,011.20 and 918,963,460.80

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Solution

The fourth proportional to 3,406,107,340.80, 5,109,161,011.20 and 918,963,460.80 is: 1,378,445,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,107,340.80 : 5,109,161,011.20 = 918,963,460.80 : x
  2. Step 2: Convert to fraction form
    3,406,107,340.80/5,109,161,011.20 = 918,963,460.80/x
  3. Step 3: Cross multiply
    3,406,107,340.80x = 5,109,161,011.20 × 918,963,460.80
  4. Step 4: Simplify right side
    3,406,107,340.80x = 4,695,132,284,636,779,520
  5. Step 5: Solve for x
    x = 4,695,132,284,636,779,520/3,406,107,340.80
  6. Step 6: Final answer
    x = 1,378,445,191.20

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Double scale
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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.