Home / 884,617,705.12-1,220,798,377.92-482,757,401.20

Finding the Fourth Proportional to 884,617,705.12, 1,220,798,377.92 and 482,757,401.20

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Solution

The fourth proportional to 884,617,705.12, 1,220,798,377.92 and 482,757,401.20 is: 666,219,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,617,705.12 : 1,220,798,377.92 = 482,757,401.20 : x
  2. Step 2: Convert to fraction form
    884,617,705.12/1,220,798,377.92 = 482,757,401.20/x
  3. Step 3: Cross multiply
    884,617,705.12x = 1,220,798,377.92 × 482,757,401.20
  4. Step 4: Simplify right side
    884,617,705.12x = 589,349,452,313,834,624
  5. Step 5: Solve for x
    x = 589,349,452,313,834,624/884,617,705.12
  6. Step 6: Final answer
    x = 666,219,372.39

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Double scale
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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.