Home / 1,177,927,435.78-1,625,539,464.88-649,300,249.80

Finding the Fourth Proportional to 1,177,927,435.78, 1,625,539,464.88 and 649,300,249.80

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Solution

The fourth proportional to 1,177,927,435.78, 1,625,539,464.88 and 649,300,249.80 is: 896,034,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,927,435.78 : 1,625,539,464.88 = 649,300,249.80 : x
  2. Step 2: Convert to fraction form
    1,177,927,435.78/1,625,539,464.88 = 649,300,249.80/x
  3. Step 3: Cross multiply
    1,177,927,435.78x = 1,625,539,464.88 × 649,300,249.80
  4. Step 4: Simplify right side
    1,177,927,435.78x = 1,055,463,180,613,478,016
  5. Step 5: Solve for x
    x = 1,055,463,180,613,478,016/1,177,927,435.78
  6. Step 6: Final answer
    x = 896,034,126.17

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Double scale
Find fourth proportional to 1,177,927,436.78, 1,625,539,466.26 and 649,300,250.80
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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.