Home / 387,241,718.40-580,862,577.60-384,974,236.80

Finding the Fourth Proportional to 387,241,718.40, 580,862,577.60 and 384,974,236.80

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Solution

The fourth proportional to 387,241,718.40, 580,862,577.60 and 384,974,236.80 is: 577,461,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,241,718.40 : 580,862,577.60 = 384,974,236.80 : x
  2. Step 2: Convert to fraction form
    387,241,718.40/580,862,577.60 = 384,974,236.80/x
  3. Step 3: Cross multiply
    387,241,718.40x = 580,862,577.60 × 384,974,236.80
  4. Step 4: Simplify right side
    387,241,718.40x = 223,617,127,497,240,800
  5. Step 5: Solve for x
    x = 223,617,127,497,240,800/387,241,718.40
  6. Step 6: Final answer
    x = 577,461,355.20

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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.