Home / 727,646,976,280.70-1,091,470,464,421-256,387,037,464.70

Finding the Fourth Proportional to 727,646,976,280.70, 1,091,470,464,421 and 256,387,037,464.70

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Solution

The fourth proportional to 727,646,976,280.70, 1,091,470,464,421 and 256,387,037,464.70 is: 384,580,556,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,646,976,280.70 : 1,091,470,464,421 = 256,387,037,464.70 : x
  2. Step 2: Convert to fraction form
    727,646,976,280.70/1,091,470,464,421 = 256,387,037,464.70/x
  3. Step 3: Cross multiply
    727,646,976,280.70x = 1,091,470,464,421 × 256,387,037,464.70
  4. Step 4: Simplify right side
    727,646,976,280.70x = 279,838,878,853,120,451,936,256
  5. Step 5: Solve for x
    x = 279,838,878,853,120,451,936,256/727,646,976,280.70
  6. Step 6: Final answer
    x = 384,580,556,197.03

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Double scale
Find fourth proportional to 727,646,976,281.70, 1,091,470,464,422.50 and 256,387,037,465.70
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.