Home / 256,260,335,224.73-384,121,425,189.15-86,220,891,061.49

Finding the Fourth Proportional to 256,260,335,224.73, 384,121,425,189.15 and 86,220,891,061.49

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Solution

The fourth proportional to 256,260,335,224.73, 384,121,425,189.15 and 86,220,891,061.49 is: 129,240,803,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,260,335,224.73 : 384,121,425,189.15 = 86,220,891,061.49 : x
  2. Step 2: Convert to fraction form
    256,260,335,224.73/384,121,425,189.15 = 86,220,891,061.49/x
  3. Step 3: Cross multiply
    256,260,335,224.73x = 384,121,425,189.15 × 86,220,891,061.49
  4. Step 4: Simplify right side
    256,260,335,224.73x = 33,119,291,555,617,987,100,672
  5. Step 5: Solve for x
    x = 33,119,291,555,617,987,100,672/256,260,335,224.73
  6. Step 6: Final answer
    x = 129,240,803,211.21

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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.