Home / 262,657,904.40-393,986,856.60-153,818,787.60

Finding the Fourth Proportional to 262,657,904.40, 393,986,856.60 and 153,818,787.60

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Solution

The fourth proportional to 262,657,904.40, 393,986,856.60 and 153,818,787.60 is: 230,728,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,657,904.40 : 393,986,856.60 = 153,818,787.60 : x
  2. Step 2: Convert to fraction form
    262,657,904.40/393,986,856.60 = 153,818,787.60/x
  3. Step 3: Cross multiply
    262,657,904.40x = 393,986,856.60 × 153,818,787.60
  4. Step 4: Simplify right side
    262,657,904.40x = 60,602,580,612,547,056
  5. Step 5: Solve for x
    x = 60,602,580,612,547,056/262,657,904.40
  6. Step 6: Final answer
    x = 230,728,181.40

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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.