Home / 1,013,182,578,811.30-1,520,031,111,117.60-469,023,382,642.18

Finding the Fourth Proportional to 1,013,182,578,811.30, 1,520,031,111,117.60 and 469,023,382,642.18

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Solution

The fourth proportional to 1,013,182,578,811.30, 1,520,031,111,117.60 and 469,023,382,642.18 is: 703,654,157,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,182,578,811.30 : 1,520,031,111,117.60 = 469,023,382,642.18 : x
  2. Step 2: Convert to fraction form
    1,013,182,578,811.30/1,520,031,111,117.60 = 469,023,382,642.18/x
  3. Step 3: Cross multiply
    1,013,182,578,811.30x = 1,520,031,111,117.60 × 469,023,382,642.18
  4. Step 4: Simplify right side
    1,013,182,578,811.30x = 712,930,133,457,728,197,099,520
  5. Step 5: Solve for x
    x = 712,930,133,457,728,197,099,520/1,013,182,578,811.30
  6. Step 6: Final answer
    x = 703,654,157,076.17

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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.