Home / 7,199,767,209.52-9,935,605,547.76-3,984,683,472.73

Finding the Fourth Proportional to 7,199,767,209.52, 9,935,605,547.76 and 3,984,683,472.73

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Solution

The fourth proportional to 7,199,767,209.52, 9,935,605,547.76 and 3,984,683,472.73 is: 5,498,822,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,767,209.52 : 9,935,605,547.76 = 3,984,683,472.73 : x
  2. Step 2: Convert to fraction form
    7,199,767,209.52/9,935,605,547.76 = 3,984,683,472.73/x
  3. Step 3: Cross multiply
    7,199,767,209.52x = 9,935,605,547.76 × 3,984,683,472.73
  4. Step 4: Simplify right side
    7,199,767,209.52x = 39,590,243,217,723,768,832
  5. Step 5: Solve for x
    x = 39,590,243,217,723,768,832/7,199,767,209.52
  6. Step 6: Final answer
    x = 5,498,822,679.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.