Home / 1,028,438,176.60-1,542,657,264.90-718,501,785.40

Finding the Fourth Proportional to 1,028,438,176.60, 1,542,657,264.90 and 718,501,785.40

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Solution

The fourth proportional to 1,028,438,176.60, 1,542,657,264.90 and 718,501,785.40 is: 1,077,752,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,438,176.60 : 1,542,657,264.90 = 718,501,785.40 : x
  2. Step 2: Convert to fraction form
    1,028,438,176.60/1,542,657,264.90 = 718,501,785.40/x
  3. Step 3: Cross multiply
    1,028,438,176.60x = 1,542,657,264.90 × 718,501,785.40
  4. Step 4: Simplify right side
    1,028,438,176.60x = 1,108,401,999,090,930,816
  5. Step 5: Solve for x
    x = 1,108,401,999,090,930,816/1,028,438,176.60
  6. Step 6: Final answer
    x = 1,077,752,678.10

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1.5x scale

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.