Home / 256,464,412,228.80-384,699,579,599.52-77,391,949,694.40

Finding the Fourth Proportional to 256,464,412,228.80, 384,699,579,599.52 and 77,391,949,694.40

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Solution

The fourth proportional to 256,464,412,228.80, 384,699,579,599.52 and 77,391,949,694.40 is: 116,088,818,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,464,412,228.80 : 384,699,579,599.52 = 77,391,949,694.40 : x
  2. Step 2: Convert to fraction form
    256,464,412,228.80/384,699,579,599.52 = 77,391,949,694.40/x
  3. Step 3: Cross multiply
    256,464,412,228.80x = 384,699,579,599.52 × 77,391,949,694.40
  4. Step 4: Simplify right side
    256,464,412,228.80x = 29,772,650,511,822,877,622,272
  5. Step 5: Solve for x
    x = 29,772,650,511,822,877,622,272/256,464,412,228.80
  6. Step 6: Final answer
    x = 116,088,818,144.73

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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.