Home / 809,028,045.60-1,213,542,068.40-465,042,688.80

Finding the Fourth Proportional to 809,028,045.60, 1,213,542,068.40 and 465,042,688.80

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Solution

The fourth proportional to 809,028,045.60, 1,213,542,068.40 and 465,042,688.80 is: 697,564,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,028,045.60 : 1,213,542,068.40 = 465,042,688.80 : x
  2. Step 2: Convert to fraction form
    809,028,045.60/1,213,542,068.40 = 465,042,688.80/x
  3. Step 3: Cross multiply
    809,028,045.60x = 1,213,542,068.40 × 465,042,688.80
  4. Step 4: Simplify right side
    809,028,045.60x = 564,348,866,460,649,600
  5. Step 5: Solve for x
    x = 564,348,866,460,649,600/809,028,045.60
  6. Step 6: Final answer
    x = 697,564,033.20

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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.