Home / 297,009,527.28-409,864,829.40-163,047,422.40

Finding the Fourth Proportional to 297,009,527.28, 409,864,829.40 and 163,047,422.40

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Solution

The fourth proportional to 297,009,527.28, 409,864,829.40 and 163,047,422.40 is: 225,000,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,009,527.28 : 409,864,829.40 = 163,047,422.40 : x
  2. Step 2: Convert to fraction form
    297,009,527.28/409,864,829.40 = 163,047,422.40/x
  3. Step 3: Cross multiply
    297,009,527.28x = 409,864,829.40 × 163,047,422.40
  4. Step 4: Simplify right side
    297,009,527.28x = 66,827,403,966,085,736
  5. Step 5: Solve for x
    x = 66,827,403,966,085,736/297,009,527.28
  6. Step 6: Final answer
    x = 225,000,876.50

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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.