Home / 1,058,017,470.80-1,585,519,035.24-779,478,176.48

Finding the Fourth Proportional to 1,058,017,470.80, 1,585,519,035.24 and 779,478,176.48

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Solution

The fourth proportional to 1,058,017,470.80, 1,585,519,035.24 and 779,478,176.48 is: 1,168,106,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,017,470.80 : 1,585,519,035.24 = 779,478,176.48 : x
  2. Step 2: Convert to fraction form
    1,058,017,470.80/1,585,519,035.24 = 779,478,176.48/x
  3. Step 3: Cross multiply
    1,058,017,470.80x = 1,585,519,035.24 × 779,478,176.48
  4. Step 4: Simplify right side
    1,058,017,470.80x = 1,235,877,486,363,204,096
  5. Step 5: Solve for x
    x = 1,235,877,486,363,204,096/1,058,017,470.80
  6. Step 6: Final answer
    x = 1,168,106,879.59

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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.