Home / 1,407,216,389.62-1,941,151,793.66-877,661,002.39

Finding the Fourth Proportional to 1,407,216,389.62, 1,941,151,793.66 and 877,661,002.39

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Solution

The fourth proportional to 1,407,216,389.62, 1,941,151,793.66 and 877,661,002.39 is: 1,210,668,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,216,389.62 : 1,941,151,793.66 = 877,661,002.39 : x
  2. Step 2: Convert to fraction form
    1,407,216,389.62/1,941,151,793.66 = 877,661,002.39/x
  3. Step 3: Cross multiply
    1,407,216,389.62x = 1,941,151,793.66 × 877,661,002.39
  4. Step 4: Simplify right side
    1,407,216,389.62x = 1,703,673,229,007,270,400
  5. Step 5: Solve for x
    x = 1,703,673,229,007,270,400/1,407,216,389.62
  6. Step 6: Final answer
    x = 1,210,668,978.55

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1.5x scale

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.