Home / 1,442,168,889.60-2,163,253,334.40-521,713,077.60

Finding the Fourth Proportional to 1,442,168,889.60, 2,163,253,334.40 and 521,713,077.60

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Solution

The fourth proportional to 1,442,168,889.60, 2,163,253,334.40 and 521,713,077.60 is: 782,569,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,168,889.60 : 2,163,253,334.40 = 521,713,077.60 : x
  2. Step 2: Convert to fraction form
    1,442,168,889.60/2,163,253,334.40 = 521,713,077.60/x
  3. Step 3: Cross multiply
    1,442,168,889.60x = 2,163,253,334.40 × 521,713,077.60
  4. Step 4: Simplify right side
    1,442,168,889.60x = 1,128,597,554,718,286,080
  5. Step 5: Solve for x
    x = 1,128,597,554,718,286,080/1,442,168,889.60
  6. Step 6: Final answer
    x = 782,569,616.40

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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.