Home / 769,945,501.40-1,154,918,252.10-742,735,722.20

Finding the Fourth Proportional to 769,945,501.40, 1,154,918,252.10 and 742,735,722.20

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Solution

The fourth proportional to 769,945,501.40, 1,154,918,252.10 and 742,735,722.20 is: 1,114,103,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,945,501.40 : 1,154,918,252.10 = 742,735,722.20 : x
  2. Step 2: Convert to fraction form
    769,945,501.40/1,154,918,252.10 = 742,735,722.20/x
  3. Step 3: Cross multiply
    769,945,501.40x = 1,154,918,252.10 × 742,735,722.20
  4. Step 4: Simplify right side
    769,945,501.40x = 857,799,042,055,455,104
  5. Step 5: Solve for x
    x = 857,799,042,055,455,104/769,945,501.40
  6. Step 6: Final answer
    x = 1,114,103,583.30

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Double scale
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1.5x scale

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.