Home / 1,933,138,875.60-2,901,219,967.80-898,128,003.60

Finding the Fourth Proportional to 1,933,138,875.60, 2,901,219,967.80 and 898,128,003.60

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Solution

The fourth proportional to 1,933,138,875.60, 2,901,219,967.80 and 898,128,003.60 is: 1,347,894,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,138,875.60 : 2,901,219,967.80 = 898,128,003.60 : x
  2. Step 2: Convert to fraction form
    1,933,138,875.60/2,901,219,967.80 = 898,128,003.60/x
  3. Step 3: Cross multiply
    1,933,138,875.60x = 2,901,219,967.80 × 898,128,003.60
  4. Step 4: Simplify right side
    1,933,138,875.60x = 2,605,666,897,684,670,464
  5. Step 5: Solve for x
    x = 2,605,666,897,684,670,464/1,933,138,875.60
  6. Step 6: Final answer
    x = 1,347,894,313.53

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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.