Home / 1,443,646,308.96-1,992,180,359.52-817,101,284.40

Finding the Fourth Proportional to 1,443,646,308.96, 1,992,180,359.52 and 817,101,284.40

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Solution

The fourth proportional to 1,443,646,308.96, 1,992,180,359.52 and 817,101,284.40 is: 1,127,570,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,646,308.96 : 1,992,180,359.52 = 817,101,284.40 : x
  2. Step 2: Convert to fraction form
    1,443,646,308.96/1,992,180,359.52 = 817,101,284.40/x
  3. Step 3: Cross multiply
    1,443,646,308.96x = 1,992,180,359.52 × 817,101,284.40
  4. Step 4: Simplify right side
    1,443,646,308.96x = 1,627,813,130,520,245,760
  5. Step 5: Solve for x
    x = 1,627,813,130,520,245,760/1,443,646,308.96
  6. Step 6: Final answer
    x = 1,127,570,597.05

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1.5x scale

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.