Home / 7,871,224,108.80-11,811,371,126.40-2,967,417,235.20

Finding the Fourth Proportional to 7,871,224,108.80, 11,811,371,126.40 and 2,967,417,235.20

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Solution

The fourth proportional to 7,871,224,108.80, 11,811,371,126.40 and 2,967,417,235.20 is: 4,452,835,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871,224,108.80 : 11,811,371,126.40 = 2,967,417,235.20 : x
  2. Step 2: Convert to fraction form
    7,871,224,108.80/11,811,371,126.40 = 2,967,417,235.20/x
  3. Step 3: Cross multiply
    7,871,224,108.80x = 11,811,371,126.40 × 2,967,417,235.20
  4. Step 4: Simplify right side
    7,871,224,108.80x = 35,049,266,251,822,993,408
  5. Step 5: Solve for x
    x = 35,049,266,251,822,993,408/7,871,224,108.80
  6. Step 6: Final answer
    x = 4,452,835,514.19

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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.