Home / 747,879,863.60-1,121,819,795.40-403,506,095.60

Finding the Fourth Proportional to 747,879,863.60, 1,121,819,795.40 and 403,506,095.60

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Solution

The fourth proportional to 747,879,863.60, 1,121,819,795.40 and 403,506,095.60 is: 605,259,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,879,863.60 : 1,121,819,795.40 = 403,506,095.60 : x
  2. Step 2: Convert to fraction form
    747,879,863.60/1,121,819,795.40 = 403,506,095.60/x
  3. Step 3: Cross multiply
    747,879,863.60x = 1,121,819,795.40 × 403,506,095.60
  4. Step 4: Simplify right side
    747,879,863.60x = 452,661,125,608,644,928
  5. Step 5: Solve for x
    x = 452,661,125,608,644,928/747,879,863.60
  6. Step 6: Final answer
    x = 605,259,143.40

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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.