Home / 288,589,702.43-432,878,488.82-70,241,262.68

Finding the Fourth Proportional to 288,589,702.43, 432,878,488.82 and 70,241,262.68

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Solution

The fourth proportional to 288,589,702.43, 432,878,488.82 and 70,241,262.68 is: 105,360,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,589,702.43 : 432,878,488.82 = 70,241,262.68 : x
  2. Step 2: Convert to fraction form
    288,589,702.43/432,878,488.82 = 70,241,262.68/x
  3. Step 3: Cross multiply
    288,589,702.43x = 432,878,488.82 × 70,241,262.68
  4. Step 4: Simplify right side
    288,589,702.43x = 30,405,931,639,211,464
  5. Step 5: Solve for x
    x = 30,405,931,639,211,464/288,589,702.43
  6. Step 6: Final answer
    x = 105,360,417.87

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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.