Home / 1,913,318,085.12-2,640,378,931.20-1,033,251,763.20

Finding the Fourth Proportional to 1,913,318,085.12, 2,640,378,931.20 and 1,033,251,763.20

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Solution

The fourth proportional to 1,913,318,085.12, 2,640,378,931.20 and 1,033,251,763.20 is: 1,425,887,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,318,085.12 : 2,640,378,931.20 = 1,033,251,763.20 : x
  2. Step 2: Convert to fraction form
    1,913,318,085.12/2,640,378,931.20 = 1,033,251,763.20/x
  3. Step 3: Cross multiply
    1,913,318,085.12x = 2,640,378,931.20 × 1,033,251,763.20
  4. Step 4: Simplify right side
    1,913,318,085.12x = 2,728,176,186,178,531,328
  5. Step 5: Solve for x
    x = 2,728,176,186,178,531,328/1,913,318,085.12
  6. Step 6: Final answer
    x = 1,425,887,419.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.