Home / 1,343,058,710.32-1,853,428,372.48-778,878,095.52

Finding the Fourth Proportional to 1,343,058,710.32, 1,853,428,372.48 and 778,878,095.52

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Solution

The fourth proportional to 1,343,058,710.32, 1,853,428,372.48 and 778,878,095.52 is: 1,074,856,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,058,710.32 : 1,853,428,372.48 = 778,878,095.52 : x
  2. Step 2: Convert to fraction form
    1,343,058,710.32/1,853,428,372.48 = 778,878,095.52/x
  3. Step 3: Cross multiply
    1,343,058,710.32x = 1,853,428,372.48 × 778,878,095.52
  4. Step 4: Simplify right side
    1,343,058,710.32x = 1,443,594,760,939,955,456
  5. Step 5: Solve for x
    x = 1,443,594,760,939,955,456/1,343,058,710.32
  6. Step 6: Final answer
    x = 1,074,856,035.59

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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.