Home / 745,407,488.81-1,028,708,358.09-410,879,257.88

Finding the Fourth Proportional to 745,407,488.81, 1,028,708,358.09 and 410,879,257.88

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Solution

The fourth proportional to 745,407,488.81, 1,028,708,358.09 and 410,879,257.88 is: 567,038,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,488.81 : 1,028,708,358.09 = 410,879,257.88 : x
  2. Step 2: Convert to fraction form
    745,407,488.81/1,028,708,358.09 = 410,879,257.88/x
  3. Step 3: Cross multiply
    745,407,488.81x = 1,028,708,358.09 × 410,879,257.88
  4. Step 4: Simplify right side
    745,407,488.81x = 422,674,926,744,400,704
  5. Step 5: Solve for x
    x = 422,674,926,744,400,704/745,407,488.81
  6. Step 6: Final answer
    x = 567,038,744.70

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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.