Home / 7,255,437,921,322.80-10,012,503,948,513-3,918,268,361,644.50

Finding the Fourth Proportional to 7,255,437,921,322.80, 10,012,503,948,513 and 3,918,268,361,644.50

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Solution

The fourth proportional to 7,255,437,921,322.80, 10,012,503,948,513 and 3,918,268,361,644.50 is: 5,407,210,132,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,437,921,322.80 : 10,012,503,948,513 = 3,918,268,361,644.50 : x
  2. Step 2: Convert to fraction form
    7,255,437,921,322.80/10,012,503,948,513 = 3,918,268,361,644.50/x
  3. Step 3: Cross multiply
    7,255,437,921,322.80x = 10,012,503,948,513 × 3,918,268,361,644.50
  4. Step 4: Simplify right side
    7,255,437,921,322.80x = 39,231,677,442,299,120,521,838,592
  5. Step 5: Solve for x
    x = 39,231,677,442,299,120,521,838,592/7,255,437,921,322.80
  6. Step 6: Final answer
    x = 5,407,210,132,279.16

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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.