Home / 2,127,708,004.40-3,191,562,006.60-1,148,155,953.20

Finding the Fourth Proportional to 2,127,708,004.40, 3,191,562,006.60 and 1,148,155,953.20

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Solution

The fourth proportional to 2,127,708,004.40, 3,191,562,006.60 and 1,148,155,953.20 is: 1,722,233,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,708,004.40 : 3,191,562,006.60 = 1,148,155,953.20 : x
  2. Step 2: Convert to fraction form
    2,127,708,004.40/3,191,562,006.60 = 1,148,155,953.20/x
  3. Step 3: Cross multiply
    2,127,708,004.40x = 3,191,562,006.60 × 1,148,155,953.20
  4. Step 4: Simplify right side
    2,127,708,004.40x = 3,664,410,917,884,727,808
  5. Step 5: Solve for x
    x = 3,664,410,917,884,727,808/2,127,708,004.40
  6. Step 6: Final answer
    x = 1,722,233,929.80

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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.