Home / 1,177,928,145.02-1,625,613,566.92-649,290,938.78

Finding the Fourth Proportional to 1,177,928,145.02, 1,625,613,566.92 and 649,290,938.78

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Solution

The fourth proportional to 1,177,928,145.02, 1,625,613,566.92 and 649,290,938.78 is: 896,061,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,928,145.02 : 1,625,613,566.92 = 649,290,938.78 : x
  2. Step 2: Convert to fraction form
    1,177,928,145.02/1,625,613,566.92 = 649,290,938.78/x
  3. Step 3: Cross multiply
    1,177,928,145.02x = 1,625,613,566.92 × 649,290,938.78
  4. Step 4: Simplify right side
    1,177,928,145.02x = 1,055,496,158,949,239,808
  5. Step 5: Solve for x
    x = 1,055,496,158,949,239,808/1,177,928,145.02
  6. Step 6: Final answer
    x = 896,061,583.57

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Half scale
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Double scale
Find fourth proportional to 1,177,928,146.02, 1,625,613,568.30 and 649,290,939.78
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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.