Home / 286,887,813,602.72-395,905,333,065.75-156,678,450,753.39

Finding the Fourth Proportional to 286,887,813,602.72, 395,905,333,065.75 and 156,678,450,753.39

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Solution

The fourth proportional to 286,887,813,602.72, 395,905,333,065.75 and 156,678,450,753.39 is: 216,216,344,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,887,813,602.72 : 395,905,333,065.75 = 156,678,450,753.39 : x
  2. Step 2: Convert to fraction form
    286,887,813,602.72/395,905,333,065.75 = 156,678,450,753.39/x
  3. Step 3: Cross multiply
    286,887,813,602.72x = 395,905,333,065.75 × 156,678,450,753.39
  4. Step 4: Simplify right side
    286,887,813,602.72x = 62,029,834,229,746,579,275,776
  5. Step 5: Solve for x
    x = 62,029,834,229,746,579,275,776/286,887,813,602.72
  6. Step 6: Final answer
    x = 216,216,344,119.95

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1.5x scale

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.