Home / 1,203,312,528.91-1,660,174,347.43-726,824,857.47

Finding the Fourth Proportional to 1,203,312,528.91, 1,660,174,347.43 and 726,824,857.47

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Solution

The fourth proportional to 1,203,312,528.91, 1,660,174,347.43 and 726,824,857.47 is: 1,002,778,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,312,528.91 : 1,660,174,347.43 = 726,824,857.47 : x
  2. Step 2: Convert to fraction form
    1,203,312,528.91/1,660,174,347.43 = 726,824,857.47/x
  3. Step 3: Cross multiply
    1,203,312,528.91x = 1,660,174,347.43 × 726,824,857.47
  4. Step 4: Simplify right side
    1,203,312,528.91x = 1,206,655,983,446,160,128
  5. Step 5: Solve for x
    x = 1,206,655,983,446,160,128/1,203,312,528.91
  6. Step 6: Final answer
    x = 1,002,778,542.11

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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.