Home / 284,458,870,170.47-426,517,907,661.32-90,538,170,643.87

Finding the Fourth Proportional to 284,458,870,170.47, 426,517,907,661.32 and 90,538,170,643.87

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Solution

The fourth proportional to 284,458,870,170.47, 426,517,907,661.32 and 90,538,170,643.87 is: 135,753,021,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,458,870,170.47 : 426,517,907,661.32 = 90,538,170,643.87 : x
  2. Step 2: Convert to fraction form
    284,458,870,170.47/426,517,907,661.32 = 90,538,170,643.87/x
  3. Step 3: Cross multiply
    284,458,870,170.47x = 426,517,907,661.32 × 90,538,170,643.87
  4. Step 4: Simplify right side
    284,458,870,170.47x = 38,616,151,106,506,977,181,696
  5. Step 5: Solve for x
    x = 38,616,151,106,506,977,181,696/284,458,870,170.47
  6. Step 6: Final answer
    x = 135,753,021,459.18

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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.