Home / 745,407,671.17-1,028,708,608.65-410,879,439.11

Finding the Fourth Proportional to 745,407,671.17, 1,028,708,608.65 and 410,879,439.11

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Solution

The fourth proportional to 745,407,671.17, 1,028,708,608.65 and 410,879,439.11 is: 567,038,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,671.17 : 1,028,708,608.65 = 410,879,439.11 : x
  2. Step 2: Convert to fraction form
    745,407,671.17/1,028,708,608.65 = 410,879,439.11/x
  3. Step 3: Cross multiply
    745,407,671.17x = 1,028,708,608.65 × 410,879,439.11
  4. Step 4: Simplify right side
    745,407,671.17x = 422,675,216,124,596,992
  5. Step 5: Solve for x
    x = 422,675,216,124,596,992/745,407,671.17
  6. Step 6: Final answer
    x = 567,038,994.20

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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.