Home / 772,193,619.40-1,158,290,429.10-636,144,723.40

Finding the Fourth Proportional to 772,193,619.40, 1,158,290,429.10 and 636,144,723.40

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Solution

The fourth proportional to 772,193,619.40, 1,158,290,429.10 and 636,144,723.40 is: 954,217,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,193,619.40 : 1,158,290,429.10 = 636,144,723.40 : x
  2. Step 2: Convert to fraction form
    772,193,619.40/1,158,290,429.10 = 636,144,723.40/x
  3. Step 3: Cross multiply
    772,193,619.40x = 1,158,290,429.10 × 636,144,723.40
  4. Step 4: Simplify right side
    772,193,619.40x = 736,840,344,636,686,720
  5. Step 5: Solve for x
    x = 736,840,344,636,686,720/772,193,619.40
  6. Step 6: Final answer
    x = 954,217,085.10

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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.