Home / 924,372,278.60-1,273,489,835.70-645,472,041.80

Finding the Fourth Proportional to 924,372,278.60, 1,273,489,835.70 and 645,472,041.80

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Solution

The fourth proportional to 924,372,278.60, 1,273,489,835.70 and 645,472,041.80 is: 889,254,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,372,278.60 : 1,273,489,835.70 = 645,472,041.80 : x
  2. Step 2: Convert to fraction form
    924,372,278.60/1,273,489,835.70 = 645,472,041.80/x
  3. Step 3: Cross multiply
    924,372,278.60x = 1,273,489,835.70 × 645,472,041.80
  4. Step 4: Simplify right side
    924,372,278.60x = 822,002,084,460,825,472
  5. Step 5: Solve for x
    x = 822,002,084,460,825,472/924,372,278.60
  6. Step 6: Final answer
    x = 889,254,365.90

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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.