Home / 388,832,681.21-583,249,613.29-158,801,765.85

Finding the Fourth Proportional to 388,832,681.21, 583,249,613.29 and 158,801,765.85

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Solution

The fourth proportional to 388,832,681.21, 583,249,613.29 and 158,801,765.85 is: 238,202,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,832,681.21 : 583,249,613.29 = 158,801,765.85 : x
  2. Step 2: Convert to fraction form
    388,832,681.21/583,249,613.29 = 158,801,765.85/x
  3. Step 3: Cross multiply
    388,832,681.21x = 583,249,613.29 × 158,801,765.85
  4. Step 4: Simplify right side
    388,832,681.21x = 92,621,068,521,384,624
  5. Step 5: Solve for x
    x = 92,621,068,521,384,624/388,832,681.21
  6. Step 6: Final answer
    x = 238,202,890.34

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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.