Home / 1,177,927,899.16-1,625,613,229.38-649,290,694.72

Finding the Fourth Proportional to 1,177,927,899.16, 1,625,613,229.38 and 649,290,694.72

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Solution

The fourth proportional to 1,177,927,899.16, 1,625,613,229.38 and 649,290,694.72 is: 896,061,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,927,899.16 : 1,625,613,229.38 = 649,290,694.72 : x
  2. Step 2: Convert to fraction form
    1,177,927,899.16/1,625,613,229.38 = 649,290,694.72/x
  3. Step 3: Cross multiply
    1,177,927,899.16x = 1,625,613,229.38 × 649,290,694.72
  4. Step 4: Simplify right side
    1,177,927,899.16x = 1,055,495,543,050,163,072
  5. Step 5: Solve for x
    x = 1,055,495,543,050,163,072/1,177,927,899.16
  6. Step 6: Final answer
    x = 896,061,247.72

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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.