Home / 410,254,646.40-615,381,969.60-119,121,206.40

Finding the Fourth Proportional to 410,254,646.40, 615,381,969.60 and 119,121,206.40

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Solution

The fourth proportional to 410,254,646.40, 615,381,969.60 and 119,121,206.40 is: 178,681,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,254,646.40 : 615,381,969.60 = 119,121,206.40 : x
  2. Step 2: Convert to fraction form
    410,254,646.40/615,381,969.60 = 119,121,206.40/x
  3. Step 3: Cross multiply
    410,254,646.40x = 615,381,969.60 × 119,121,206.40
  4. Step 4: Simplify right side
    410,254,646.40x = 73,305,042,615,560,128
  5. Step 5: Solve for x
    x = 73,305,042,615,560,128/410,254,646.40
  6. Step 6: Final answer
    x = 178,681,809.60

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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.