Home / 1,409,761,883.01-1,945,357,341.47-815,084,521.59

Finding the Fourth Proportional to 1,409,761,883.01, 1,945,357,341.47 and 815,084,521.59

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Solution

The fourth proportional to 1,409,761,883.01, 1,945,357,341.47 and 815,084,521.59 is: 1,124,750,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,761,883.01 : 1,945,357,341.47 = 815,084,521.59 : x
  2. Step 2: Convert to fraction form
    1,409,761,883.01/1,945,357,341.47 = 815,084,521.59/x
  3. Step 3: Cross multiply
    1,409,761,883.01x = 1,945,357,341.47 × 815,084,521.59
  4. Step 4: Simplify right side
    1,409,761,883.01x = 1,585,630,657,989,593,856
  5. Step 5: Solve for x
    x = 1,585,630,657,989,593,856/1,409,761,883.01
  6. Step 6: Final answer
    x = 1,124,750,695.21

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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.