Home / 760,186,980.20-1,140,711,827.72-410,428,387.28

Finding the Fourth Proportional to 760,186,980.20, 1,140,711,827.72 and 410,428,387.28

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Solution

The fourth proportional to 760,186,980.20, 1,140,711,827.72 and 410,428,387.28 is: 615,875,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,186,980.20 : 1,140,711,827.72 = 410,428,387.28 : x
  2. Step 2: Convert to fraction form
    760,186,980.20/1,140,711,827.72 = 410,428,387.28/x
  3. Step 3: Cross multiply
    760,186,980.20x = 1,140,711,827.72 × 410,428,387.28
  4. Step 4: Simplify right side
    760,186,980.20x = 468,180,515,802,340,800
  5. Step 5: Solve for x
    x = 468,180,515,802,340,800/760,186,980.20
  6. Step 6: Final answer
    x = 615,875,472.74

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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.