Home / 286,757,870,761.60-395,723,848,547.47-156,546,725,344.80

Finding the Fourth Proportional to 286,757,870,761.60, 395,723,848,547.47 and 156,546,725,344.80

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Solution

The fourth proportional to 286,757,870,761.60, 395,723,848,547.47 and 156,546,725,344.80 is: 216,033,381,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,757,870,761.60 : 395,723,848,547.47 = 156,546,725,344.80 : x
  2. Step 2: Convert to fraction form
    286,757,870,761.60/395,723,848,547.47 = 156,546,725,344.80/x
  3. Step 3: Cross multiply
    286,757,870,761.60x = 395,723,848,547.47 × 156,546,725,344.80
  4. Step 4: Simplify right side
    286,757,870,761.60x = 61,949,272,630,948,005,937,152
  5. Step 5: Solve for x
    x = 61,949,272,630,948,005,937,152/286,757,870,761.60
  6. Step 6: Final answer
    x = 216,033,381,983.26

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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.