Home / 280,866,742.80-421,300,114.20-246,854,518.80

Finding the Fourth Proportional to 280,866,742.80, 421,300,114.20 and 246,854,518.80

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Solution

The fourth proportional to 280,866,742.80, 421,300,114.20 and 246,854,518.80 is: 370,281,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,866,742.80 : 421,300,114.20 = 246,854,518.80 : x
  2. Step 2: Convert to fraction form
    280,866,742.80/421,300,114.20 = 246,854,518.80/x
  3. Step 3: Cross multiply
    280,866,742.80x = 421,300,114.20 × 246,854,518.80
  4. Step 4: Simplify right side
    280,866,742.80x = 103,999,836,961,226,048
  5. Step 5: Solve for x
    x = 103,999,836,961,226,048/280,866,742.80
  6. Step 6: Final answer
    x = 370,281,778.20

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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.