Home / 1,245,582,940.80-1,867,098,952.80-727,746,830.40

Finding the Fourth Proportional to 1,245,582,940.80, 1,867,098,952.80 and 727,746,830.40

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Solution

The fourth proportional to 1,245,582,940.80, 1,867,098,952.80 and 727,746,830.40 is: 1,090,875,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,582,940.80 : 1,867,098,952.80 = 727,746,830.40 : x
  2. Step 2: Convert to fraction form
    1,245,582,940.80/1,867,098,952.80 = 727,746,830.40/x
  3. Step 3: Cross multiply
    1,245,582,940.80x = 1,867,098,952.80 × 727,746,830.40
  4. Step 4: Simplify right side
    1,245,582,940.80x = 1,358,775,344,943,359,232
  5. Step 5: Solve for x
    x = 1,358,775,344,943,359,232/1,245,582,940.80
  6. Step 6: Final answer
    x = 1,090,875,043.67

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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.