Home / 898,691,085.27-1,240,195,377.95-502,214,075.27

Finding the Fourth Proportional to 898,691,085.27, 1,240,195,377.95 and 502,214,075.27

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Solution

The fourth proportional to 898,691,085.27, 1,240,195,377.95 and 502,214,075.27 is: 693,056,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,691,085.27 : 1,240,195,377.95 = 502,214,075.27 : x
  2. Step 2: Convert to fraction form
    898,691,085.27/1,240,195,377.95 = 502,214,075.27/x
  3. Step 3: Cross multiply
    898,691,085.27x = 1,240,195,377.95 × 502,214,075.27
  4. Step 4: Simplify right side
    898,691,085.27x = 622,843,574,889,122,176
  5. Step 5: Solve for x
    x = 622,843,574,889,122,176/898,691,085.27
  6. Step 6: Final answer
    x = 693,056,362.86

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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.