Home / 286,941,831,251.80-395,977,373,875.70-156,730,768,879.66

Finding the Fourth Proportional to 286,941,831,251.80, 395,977,373,875.70 and 156,730,768,879.66

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Solution

The fourth proportional to 286,941,831,251.80, 395,977,373,875.70 and 156,730,768,879.66 is: 216,287,175,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941,831,251.80 : 395,977,373,875.70 = 156,730,768,879.66 : x
  2. Step 2: Convert to fraction form
    286,941,831,251.80/395,977,373,875.70 = 156,730,768,879.66/x
  3. Step 3: Cross multiply
    286,941,831,251.80x = 395,977,373,875.70 × 156,730,768,879.66
  4. Step 4: Simplify right side
    286,941,831,251.80x = 62,061,838,266,487,061,610,496
  5. Step 5: Solve for x
    x = 62,061,838,266,487,061,610,496/286,941,831,251.80
  6. Step 6: Final answer
    x = 216,287,175,682.05

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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.