Home / 977,680,360.53-1,349,157,839.09-554,322,504.33

Finding the Fourth Proportional to 977,680,360.53, 1,349,157,839.09 and 554,322,504.33

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Solution

The fourth proportional to 977,680,360.53, 1,349,157,839.09 and 554,322,504.33 is: 764,941,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,680,360.53 : 1,349,157,839.09 = 554,322,504.33 : x
  2. Step 2: Convert to fraction form
    977,680,360.53/1,349,157,839.09 = 554,322,504.33/x
  3. Step 3: Cross multiply
    977,680,360.53x = 1,349,157,839.09 × 554,322,504.33
  4. Step 4: Simplify right side
    977,680,360.53x = 747,868,552,098,048,384
  5. Step 5: Solve for x
    x = 747,868,552,098,048,384/977,680,360.53
  6. Step 6: Final answer
    x = 764,941,776.77

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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.