Home / 6,929,139,909.11-10,389,559,144.01-2,205,421,430.22

Finding the Fourth Proportional to 6,929,139,909.11, 10,389,559,144.01 and 2,205,421,430.22

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Solution

The fourth proportional to 6,929,139,909.11, 10,389,559,144.01 and 2,205,421,430.22 is: 3,306,811,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,139,909.11 : 10,389,559,144.01 = 2,205,421,430.22 : x
  2. Step 2: Convert to fraction form
    6,929,139,909.11/10,389,559,144.01 = 2,205,421,430.22/x
  3. Step 3: Cross multiply
    6,929,139,909.11x = 10,389,559,144.01 × 2,205,421,430.22
  4. Step 4: Simplify right side
    6,929,139,909.11x = 22,913,356,386,726,780,928
  5. Step 5: Solve for x
    x = 22,913,356,386,726,780,928/6,929,139,909.11
  6. Step 6: Final answer
    x = 3,306,811,045.43

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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.