Home / 776,927,443.20-1,165,391,164.80-713,437,958.40

Finding the Fourth Proportional to 776,927,443.20, 1,165,391,164.80 and 713,437,958.40

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Solution

The fourth proportional to 776,927,443.20, 1,165,391,164.80 and 713,437,958.40 is: 1,070,156,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,927,443.20 : 1,165,391,164.80 = 713,437,958.40 : x
  2. Step 2: Convert to fraction form
    776,927,443.20/1,165,391,164.80 = 713,437,958.40/x
  3. Step 3: Cross multiply
    776,927,443.20x = 1,165,391,164.80 × 713,437,958.40
  4. Step 4: Simplify right side
    776,927,443.20x = 831,434,293,352,309,888
  5. Step 5: Solve for x
    x = 831,434,293,352,309,888/776,927,443.20
  6. Step 6: Final answer
    x = 1,070,156,937.60

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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.