Home / 635,976,140.95-877,586,608.34-371,720,056.15

Finding the Fourth Proportional to 635,976,140.95, 877,586,608.34 and 371,720,056.15

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Solution

The fourth proportional to 635,976,140.95, 877,586,608.34 and 371,720,056.15 is: 512,938,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,976,140.95 : 877,586,608.34 = 371,720,056.15 : x
  2. Step 2: Convert to fraction form
    635,976,140.95/877,586,608.34 = 371,720,056.15/x
  3. Step 3: Cross multiply
    635,976,140.95x = 877,586,608.34 × 371,720,056.15
  4. Step 4: Simplify right side
    635,976,140.95x = 326,216,543,326,774,272
  5. Step 5: Solve for x
    x = 326,216,543,326,774,272/635,976,140.95
  6. Step 6: Final answer
    x = 512,938,335.77

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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.