Home / 1,235,413,769.90-1,853,119,167.66-315,290,206.94

Finding the Fourth Proportional to 1,235,413,769.90, 1,853,119,167.66 and 315,290,206.94

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Solution

The fourth proportional to 1,235,413,769.90, 1,853,119,167.66 and 315,290,206.94 is: 472,934,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,413,769.90 : 1,853,119,167.66 = 315,290,206.94 : x
  2. Step 2: Convert to fraction form
    1,235,413,769.90/1,853,119,167.66 = 315,290,206.94/x
  3. Step 3: Cross multiply
    1,235,413,769.90x = 1,853,119,167.66 × 315,290,206.94
  4. Step 4: Simplify right side
    1,235,413,769.90x = 584,270,325,846,736,384
  5. Step 5: Solve for x
    x = 584,270,325,846,736,384/1,235,413,769.90
  6. Step 6: Final answer
    x = 472,934,930.86

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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.