Home / 1,235,413,756.20-1,853,119,147.14-315,290,193.24

Finding the Fourth Proportional to 1,235,413,756.20, 1,853,119,147.14 and 315,290,193.24

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Solution

The fourth proportional to 1,235,413,756.20, 1,853,119,147.14 and 315,290,193.24 is: 472,934,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,413,756.20 : 1,853,119,147.14 = 315,290,193.24 : x
  2. Step 2: Convert to fraction form
    1,235,413,756.20/1,853,119,147.14 = 315,290,193.24/x
  3. Step 3: Cross multiply
    1,235,413,756.20x = 1,853,119,147.14 × 315,290,193.24
  4. Step 4: Simplify right side
    1,235,413,756.20x = 584,270,293,998,514,688
  5. Step 5: Solve for x
    x = 584,270,293,998,514,688/1,235,413,756.20
  6. Step 6: Final answer
    x = 472,934,910.32

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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.