Home / 1,013,182,578,811.40-1,520,031,111,117.90-469,023,382,642.30

Finding the Fourth Proportional to 1,013,182,578,811.40, 1,520,031,111,117.90 and 469,023,382,642.30

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Solution

The fourth proportional to 1,013,182,578,811.40, 1,520,031,111,117.90 and 469,023,382,642.30 is: 703,654,157,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,182,578,811.40 : 1,520,031,111,117.90 = 469,023,382,642.30 : x
  2. Step 2: Convert to fraction form
    1,013,182,578,811.40/1,520,031,111,117.90 = 469,023,382,642.30/x
  3. Step 3: Cross multiply
    1,013,182,578,811.40x = 1,520,031,111,117.90 × 469,023,382,642.30
  4. Step 4: Simplify right side
    1,013,182,578,811.40x = 712,930,133,458,051,124,953,088
  5. Step 5: Solve for x
    x = 712,930,133,458,051,124,953,088/1,013,182,578,811.40
  6. Step 6: Final answer
    x = 703,654,157,076.42

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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.