Home / 1,304,733,951.18-1,800,533,145.75-718,023,087.18

Finding the Fourth Proportional to 1,304,733,951.18, 1,800,533,145.75 and 718,023,087.18

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Solution

The fourth proportional to 1,304,733,951.18, 1,800,533,145.75 and 718,023,087.18 is: 990,872,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,733,951.18 : 1,800,533,145.75 = 718,023,087.18 : x
  2. Step 2: Convert to fraction form
    1,304,733,951.18/1,800,533,145.75 = 718,023,087.18/x
  3. Step 3: Cross multiply
    1,304,733,951.18x = 1,800,533,145.75 × 718,023,087.18
  4. Step 4: Simplify right side
    1,304,733,951.18x = 1,292,824,367,881,331,712
  5. Step 5: Solve for x
    x = 1,292,824,367,881,331,712/1,304,733,951.18
  6. Step 6: Final answer
    x = 990,872,021.62

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Double scale
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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.