Home / 256,464,412,230.80-384,699,579,602.52-77,391,949,696.40

Finding the Fourth Proportional to 256,464,412,230.80, 384,699,579,602.52 and 77,391,949,696.40

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Solution

The fourth proportional to 256,464,412,230.80, 384,699,579,602.52 and 77,391,949,696.40 is: 116,088,818,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,464,412,230.80 : 384,699,579,602.52 = 77,391,949,696.40 : x
  2. Step 2: Convert to fraction form
    256,464,412,230.80/384,699,579,602.52 = 77,391,949,696.40/x
  3. Step 3: Cross multiply
    256,464,412,230.80x = 384,699,579,602.52 × 77,391,949,696.40
  4. Step 4: Simplify right side
    256,464,412,230.80x = 29,772,650,512,824,456,445,952
  5. Step 5: Solve for x
    x = 29,772,650,512,824,456,445,952/256,464,412,230.80
  6. Step 6: Final answer
    x = 116,088,818,147.73

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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.