Home / 1,178,734,175.40-1,764,700,040.70-1,042,685,279.40

Finding the Fourth Proportional to 1,178,734,175.40, 1,764,700,040.70 and 1,042,685,279.40

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Solution

The fourth proportional to 1,178,734,175.40, 1,764,700,040.70 and 1,042,685,279.40 is: 1,561,019,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,734,175.40 : 1,764,700,040.70 = 1,042,685,279.40 : x
  2. Step 2: Convert to fraction form
    1,178,734,175.40/1,764,700,040.70 = 1,042,685,279.40/x
  3. Step 3: Cross multiply
    1,178,734,175.40x = 1,764,700,040.70 × 1,042,685,279.40
  4. Step 4: Simplify right side
    1,178,734,175.40x = 1,840,026,754,994,470,912
  5. Step 5: Solve for x
    x = 1,840,026,754,994,470,912/1,178,734,175.40
  6. Step 6: Final answer
    x = 1,561,019,264.05

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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.