Home / 760,189,569.47-1,140,715,713.18-410,430,979.79

Finding the Fourth Proportional to 760,189,569.47, 1,140,715,713.18 and 410,430,979.79

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Solution

The fourth proportional to 760,189,569.47, 1,140,715,713.18 and 410,430,979.79 is: 615,879,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,189,569.47 : 1,140,715,713.18 = 410,430,979.79 : x
  2. Step 2: Convert to fraction form
    760,189,569.47/1,140,715,713.18 = 410,430,979.79/x
  3. Step 3: Cross multiply
    760,189,569.47x = 1,140,715,713.18 × 410,430,979.79
  4. Step 4: Simplify right side
    760,189,569.47x = 468,185,067,822,316,096
  5. Step 5: Solve for x
    x = 468,185,067,822,316,096/760,189,569.47
  6. Step 6: Final answer
    x = 615,879,363.02

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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.