Home / 286,941,831,266.23-395,977,373,895.59-156,730,768,894.06

Finding the Fourth Proportional to 286,941,831,266.23, 395,977,373,895.59 and 156,730,768,894.06

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Solution

The fourth proportional to 286,941,831,266.23, 395,977,373,895.59 and 156,730,768,894.06 is: 216,287,175,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941,831,266.23 : 395,977,373,895.59 = 156,730,768,894.06 : x
  2. Step 2: Convert to fraction form
    286,941,831,266.23/395,977,373,895.59 = 156,730,768,894.06/x
  3. Step 3: Cross multiply
    286,941,831,266.23x = 395,977,373,895.59 × 156,730,768,894.06
  4. Step 4: Simplify right side
    286,941,831,266.23x = 62,061,838,275,306,508,517,376
  5. Step 5: Solve for x
    x = 62,061,838,275,306,508,517,376/286,941,831,266.23
  6. Step 6: Final answer
    x = 216,287,175,701.91

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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.