Home / 286,887,813,619.50-395,905,333,088.84-156,678,450,770.16

Finding the Fourth Proportional to 286,887,813,619.50, 395,905,333,088.84 and 156,678,450,770.16

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Solution

The fourth proportional to 286,887,813,619.50, 395,905,333,088.84 and 156,678,450,770.16 is: 216,216,344,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,887,813,619.50 : 395,905,333,088.84 = 156,678,450,770.16 : x
  2. Step 2: Convert to fraction form
    286,887,813,619.50/395,905,333,088.84 = 156,678,450,770.16/x
  3. Step 3: Cross multiply
    286,887,813,619.50x = 395,905,333,088.84 × 156,678,450,770.16
  4. Step 4: Simplify right side
    286,887,813,619.50x = 62,029,834,240,003,623,878,656
  5. Step 5: Solve for x
    x = 62,029,834,240,003,623,878,656/286,887,813,619.50
  6. Step 6: Final answer
    x = 216,216,344,143.06

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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.