Home / 488,585,719.40-732,878,579.10-412,058,215.40

Finding the Fourth Proportional to 488,585,719.40, 732,878,579.10 and 412,058,215.40

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Solution

The fourth proportional to 488,585,719.40, 732,878,579.10 and 412,058,215.40 is: 618,087,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,585,719.40 : 732,878,579.10 = 412,058,215.40 : x
  2. Step 2: Convert to fraction form
    488,585,719.40/732,878,579.10 = 412,058,215.40/x
  3. Step 3: Cross multiply
    488,585,719.40x = 732,878,579.10 × 412,058,215.40
  4. Step 4: Simplify right side
    488,585,719.40x = 301,988,639,408,833,728
  5. Step 5: Solve for x
    x = 301,988,639,408,833,728/488,585,719.40
  6. Step 6: Final answer
    x = 618,087,323.10

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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.