Home / 1,245,582,743.80-1,867,098,657.30-727,746,633.40

Finding the Fourth Proportional to 1,245,582,743.80, 1,867,098,657.30 and 727,746,633.40

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Solution

The fourth proportional to 1,245,582,743.80, 1,867,098,657.30 and 727,746,633.40 is: 1,090,874,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,582,743.80 : 1,867,098,657.30 = 727,746,633.40 : x
  2. Step 2: Convert to fraction form
    1,245,582,743.80/1,867,098,657.30 = 727,746,633.40/x
  3. Step 3: Cross multiply
    1,245,582,743.80x = 1,867,098,657.30 × 727,746,633.40
  4. Step 4: Simplify right side
    1,245,582,743.80x = 1,358,774,762,075,735,296
  5. Step 5: Solve for x
    x = 1,358,774,762,075,735,296/1,245,582,743.80
  6. Step 6: Final answer
    x = 1,090,874,748.26

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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.