Home / 384,195,937.32-530,190,281.70-207,983,802.06

Finding the Fourth Proportional to 384,195,937.32, 530,190,281.70 and 207,983,802.06

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Solution

The fourth proportional to 384,195,937.32, 530,190,281.70 and 207,983,802.06 is: 287,017,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,195,937.32 : 530,190,281.70 = 207,983,802.06 : x
  2. Step 2: Convert to fraction form
    384,195,937.32/530,190,281.70 = 207,983,802.06/x
  3. Step 3: Cross multiply
    384,195,937.32x = 530,190,281.70 × 207,983,802.06
  4. Step 4: Simplify right side
    384,195,937.32x = 110,270,990,603,228,432
  5. Step 5: Solve for x
    x = 110,270,990,603,228,432/384,195,937.32
  6. Step 6: Final answer
    x = 287,017,586.32

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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.