Home / 745,407,494.56-1,028,708,366.02-410,879,263.64

Finding the Fourth Proportional to 745,407,494.56, 1,028,708,366.02 and 410,879,263.64

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Solution

The fourth proportional to 745,407,494.56, 1,028,708,366.02 and 410,879,263.64 is: 567,038,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,494.56 : 1,028,708,366.02 = 410,879,263.64 : x
  2. Step 2: Convert to fraction form
    745,407,494.56/1,028,708,366.02 = 410,879,263.64/x
  3. Step 3: Cross multiply
    745,407,494.56x = 1,028,708,366.02 × 410,879,263.64
  4. Step 4: Simplify right side
    745,407,494.56x = 422,674,935,930,605,184
  5. Step 5: Solve for x
    x = 422,674,935,930,605,184/745,407,494.56
  6. Step 6: Final answer
    x = 567,038,752.65

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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.