Home / 1,888,596,087.60-2,832,894,131.40-661,605,106.80

Finding the Fourth Proportional to 1,888,596,087.60, 2,832,894,131.40 and 661,605,106.80

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Solution

The fourth proportional to 1,888,596,087.60, 2,832,894,131.40 and 661,605,106.80 is: 992,407,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,596,087.60 : 2,832,894,131.40 = 661,605,106.80 : x
  2. Step 2: Convert to fraction form
    1,888,596,087.60/2,832,894,131.40 = 661,605,106.80/x
  3. Step 3: Cross multiply
    1,888,596,087.60x = 2,832,894,131.40 × 661,605,106.80
  4. Step 4: Simplify right side
    1,888,596,087.60x = 1,874,257,224,357,990,144
  5. Step 5: Solve for x
    x = 1,874,257,224,357,990,144/1,888,596,087.60
  6. Step 6: Final answer
    x = 992,407,660.20

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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.