Home / 1,266,275,501.60-1,901,113,863.60-808,244,218.40

Finding the Fourth Proportional to 1,266,275,501.60, 1,901,113,863.60 and 808,244,218.40

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Solution

The fourth proportional to 1,266,275,501.60, 1,901,113,863.60 and 808,244,218.40 is: 1,213,451,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,275,501.60 : 1,901,113,863.60 = 808,244,218.40 : x
  2. Step 2: Convert to fraction form
    1,266,275,501.60/1,901,113,863.60 = 808,244,218.40/x
  3. Step 3: Cross multiply
    1,266,275,501.60x = 1,901,113,863.60 × 808,244,218.40
  4. Step 4: Simplify right side
    1,266,275,501.60x = 1,536,564,288,774,786,048
  5. Step 5: Solve for x
    x = 1,536,564,288,774,786,048/1,266,275,501.60
  6. Step 6: Final answer
    x = 1,213,451,801.63

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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.