Home / 1,575,781,118.20-2,174,690,533.98-870,917,930.20

Finding the Fourth Proportional to 1,575,781,118.20, 2,174,690,533.98 and 870,917,930.20

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Solution

The fourth proportional to 1,575,781,118.20, 2,174,690,533.98 and 870,917,930.20 is: 1,201,928,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,781,118.20 : 2,174,690,533.98 = 870,917,930.20 : x
  2. Step 2: Convert to fraction form
    1,575,781,118.20/2,174,690,533.98 = 870,917,930.20/x
  3. Step 3: Cross multiply
    1,575,781,118.20x = 2,174,690,533.98 × 870,917,930.20
  4. Step 4: Simplify right side
    1,575,781,118.20x = 1,893,976,978,679,394,560
  5. Step 5: Solve for x
    x = 1,893,976,978,679,394,560/1,575,781,118.20
  6. Step 6: Final answer
    x = 1,201,928,971.48

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1.5x scale

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.