Home / 850,321,353.60-1,275,482,030.40-644,736,355.20

Finding the Fourth Proportional to 850,321,353.60, 1,275,482,030.40 and 644,736,355.20

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Solution

The fourth proportional to 850,321,353.60, 1,275,482,030.40 and 644,736,355.20 is: 967,104,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,321,353.60 : 1,275,482,030.40 = 644,736,355.20 : x
  2. Step 2: Convert to fraction form
    850,321,353.60/1,275,482,030.40 = 644,736,355.20/x
  3. Step 3: Cross multiply
    850,321,353.60x = 1,275,482,030.40 × 644,736,355.20
  4. Step 4: Simplify right side
    850,321,353.60x = 822,349,635,403,191,680
  5. Step 5: Solve for x
    x = 822,349,635,403,191,680/850,321,353.60
  6. Step 6: Final answer
    x = 967,104,532.80

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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.