Home / 864,828,223.80-1,297,242,335.70-719,425,966.20

Finding the Fourth Proportional to 864,828,223.80, 1,297,242,335.70 and 719,425,966.20

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Solution

The fourth proportional to 864,828,223.80, 1,297,242,335.70 and 719,425,966.20 is: 1,079,138,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,828,223.80 : 1,297,242,335.70 = 719,425,966.20 : x
  2. Step 2: Convert to fraction form
    864,828,223.80/1,297,242,335.70 = 719,425,966.20/x
  3. Step 3: Cross multiply
    864,828,223.80x = 1,297,242,335.70 × 719,425,966.20
  4. Step 4: Simplify right side
    864,828,223.80x = 933,269,820,756,517,376
  5. Step 5: Solve for x
    x = 933,269,820,756,517,376/864,828,223.80
  6. Step 6: Final answer
    x = 1,079,138,949.30

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1.5x scale

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.