Home / 1,049,761,818.80-1,574,642,728.20-322,656,052.40

Finding the Fourth Proportional to 1,049,761,818.80, 1,574,642,728.20 and 322,656,052.40

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Solution

The fourth proportional to 1,049,761,818.80, 1,574,642,728.20 and 322,656,052.40 is: 483,984,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,761,818.80 : 1,574,642,728.20 = 322,656,052.40 : x
  2. Step 2: Convert to fraction form
    1,049,761,818.80/1,574,642,728.20 = 322,656,052.40/x
  3. Step 3: Cross multiply
    1,049,761,818.80x = 1,574,642,728.20 × 322,656,052.40
  4. Step 4: Simplify right side
    1,049,761,818.80x = 508,068,006,621,378,112
  5. Step 5: Solve for x
    x = 508,068,006,621,378,112/1,049,761,818.80
  6. Step 6: Final answer
    x = 483,984,078.60

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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.