Home / 787,209,503.12-1,180,818,668.92-262,577,164.81

Finding the Fourth Proportional to 787,209,503.12, 1,180,818,668.92 and 262,577,164.81

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Solution

The fourth proportional to 787,209,503.12, 1,180,818,668.92 and 262,577,164.81 is: 393,867,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,209,503.12 : 1,180,818,668.92 = 262,577,164.81 : x
  2. Step 2: Convert to fraction form
    787,209,503.12/1,180,818,668.92 = 262,577,164.81/x
  3. Step 3: Cross multiply
    787,209,503.12x = 1,180,818,668.92 × 262,577,164.81
  4. Step 4: Simplify right side
    787,209,503.12x = 310,056,018,234,226,560
  5. Step 5: Solve for x
    x = 310,056,018,234,226,560/787,209,503.12
  6. Step 6: Final answer
    x = 393,867,219.60

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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.