Home / 1,265,638,100.70-1,896,550,648.02-1,127,710,726.90

Finding the Fourth Proportional to 1,265,638,100.70, 1,896,550,648.02 and 1,127,710,726.90

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Solution

The fourth proportional to 1,265,638,100.70, 1,896,550,648.02 and 1,127,710,726.90 is: 1,689,867,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,638,100.70 : 1,896,550,648.02 = 1,127,710,726.90 : x
  2. Step 2: Convert to fraction form
    1,265,638,100.70/1,896,550,648.02 = 1,127,710,726.90/x
  3. Step 3: Cross multiply
    1,265,638,100.70x = 1,896,550,648.02 × 1,127,710,726.90
  4. Step 4: Simplify right side
    1,265,638,100.70x = 2,138,760,509,881,300,480
  5. Step 5: Solve for x
    x = 2,138,760,509,881,300,480/1,265,638,100.70
  6. Step 6: Final answer
    x = 1,689,867,355.21

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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.