Home / 488,585,825.40-732,878,738.10-412,058,321.40

Finding the Fourth Proportional to 488,585,825.40, 732,878,738.10 and 412,058,321.40

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Solution

The fourth proportional to 488,585,825.40, 732,878,738.10 and 412,058,321.40 is: 618,087,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,585,825.40 : 732,878,738.10 = 412,058,321.40 : x
  2. Step 2: Convert to fraction form
    488,585,825.40/732,878,738.10 = 412,058,321.40/x
  3. Step 3: Cross multiply
    488,585,825.40x = 732,878,738.10 × 412,058,321.40
  4. Step 4: Simplify right side
    488,585,825.40x = 301,988,782,611,236,224
  5. Step 5: Solve for x
    x = 301,988,782,611,236,224/488,585,825.40
  6. Step 6: Final answer
    x = 618,087,482.10

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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.