Home / 691,216,984.74-1,036,826,475-282,273,135.24

Finding the Fourth Proportional to 691,216,984.74, 1,036,826,475 and 282,273,135.24

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Solution

The fourth proportional to 691,216,984.74, 1,036,826,475 and 282,273,135.24 is: 423,410,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,216,984.74 : 1,036,826,475 = 282,273,135.24 : x
  2. Step 2: Convert to fraction form
    691,216,984.74/1,036,826,475 = 282,273,135.24/x
  3. Step 3: Cross multiply
    691,216,984.74x = 1,036,826,475 × 282,273,135.24
  4. Step 4: Simplify right side
    691,216,984.74x = 292,668,259,798,087,488
  5. Step 5: Solve for x
    x = 292,668,259,798,087,488/691,216,984.74
  6. Step 6: Final answer
    x = 423,410,110.37

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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.