Home / 403,651,335.40-605,445,510.30-157,960,256.20

Finding the Fourth Proportional to 403,651,335.40, 605,445,510.30 and 157,960,256.20

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Solution

The fourth proportional to 403,651,335.40, 605,445,510.30 and 157,960,256.20 is: 236,928,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,651,335.40 : 605,445,510.30 = 157,960,256.20 : x
  2. Step 2: Convert to fraction form
    403,651,335.40/605,445,510.30 = 157,960,256.20/x
  3. Step 3: Cross multiply
    403,651,335.40x = 605,445,510.30 × 157,960,256.20
  4. Step 4: Simplify right side
    403,651,335.40x = 95,636,327,922,127,728
  5. Step 5: Solve for x
    x = 95,636,327,922,127,728/403,651,335.40
  6. Step 6: Final answer
    x = 236,928,060.27

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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.