Home / 977,173,872.80-1,465,760,809.20-824,118,864.80

Finding the Fourth Proportional to 977,173,872.80, 1,465,760,809.20 and 824,118,864.80

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Solution

The fourth proportional to 977,173,872.80, 1,465,760,809.20 and 824,118,864.80 is: 1,236,178,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,173,872.80 : 1,465,760,809.20 = 824,118,864.80 : x
  2. Step 2: Convert to fraction form
    977,173,872.80/1,465,760,809.20 = 824,118,864.80/x
  3. Step 3: Cross multiply
    977,173,872.80x = 1,465,760,809.20 × 824,118,864.80
  4. Step 4: Simplify right side
    977,173,872.80x = 1,207,961,134,146,233,344
  5. Step 5: Solve for x
    x = 1,207,961,134,146,233,344/977,173,872.80
  6. Step 6: Final answer
    x = 1,236,178,297.20

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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.