Home / 970,240,028.40-1,455,360,042.60-280,169,794.80

Finding the Fourth Proportional to 970,240,028.40, 1,455,360,042.60 and 280,169,794.80

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Solution

The fourth proportional to 970,240,028.40, 1,455,360,042.60 and 280,169,794.80 is: 420,254,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,240,028.40 : 1,455,360,042.60 = 280,169,794.80 : x
  2. Step 2: Convert to fraction form
    970,240,028.40/1,455,360,042.60 = 280,169,794.80/x
  3. Step 3: Cross multiply
    970,240,028.40x = 1,455,360,042.60 × 280,169,794.80
  4. Step 4: Simplify right side
    970,240,028.40x = 407,747,924,495,361,280
  5. Step 5: Solve for x
    x = 407,747,924,495,361,280/970,240,028.40
  6. Step 6: Final answer
    x = 420,254,692.20

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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.