Home / 713,229,378.80-1,069,844,068.20-407,119,362.80

Finding the Fourth Proportional to 713,229,378.80, 1,069,844,068.20 and 407,119,362.80

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Solution

The fourth proportional to 713,229,378.80, 1,069,844,068.20 and 407,119,362.80 is: 610,679,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,229,378.80 : 1,069,844,068.20 = 407,119,362.80 : x
  2. Step 2: Convert to fraction form
    713,229,378.80/1,069,844,068.20 = 407,119,362.80/x
  3. Step 3: Cross multiply
    713,229,378.80x = 1,069,844,068.20 × 407,119,362.80
  4. Step 4: Simplify right side
    713,229,378.80x = 435,554,235,340,943,744
  5. Step 5: Solve for x
    x = 435,554,235,340,943,744/713,229,378.80
  6. Step 6: Final answer
    x = 610,679,044.20

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Double scale
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Similar ratio
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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.