Home / 1,124,208,017.92-1,551,569,994.24-647,805,698.56

Finding the Fourth Proportional to 1,124,208,017.92, 1,551,569,994.24 and 647,805,698.56

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Solution

The fourth proportional to 1,124,208,017.92, 1,551,569,994.24 and 647,805,698.56 is: 894,065,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,208,017.92 : 1,551,569,994.24 = 647,805,698.56 : x
  2. Step 2: Convert to fraction form
    1,124,208,017.92/1,551,569,994.24 = 647,805,698.56/x
  3. Step 3: Cross multiply
    1,124,208,017.92x = 1,551,569,994.24 × 647,805,698.56
  4. Step 4: Simplify right side
    1,124,208,017.92x = 1,005,115,883,983,378,304
  5. Step 5: Solve for x
    x = 1,005,115,883,983,378,304/1,124,208,017.92
  6. Step 6: Final answer
    x = 894,065,749.36

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Double scale
Find fourth proportional to 1,124,208,018.92, 1,551,569,995.62 and 647,805,699.56
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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.