Home / 373,574,408.20-559,605,785.10-258,688,673.80

Finding the Fourth Proportional to 373,574,408.20, 559,605,785.10 and 258,688,673.80

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Solution

The fourth proportional to 373,574,408.20, 559,605,785.10 and 258,688,673.80 is: 387,509,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,574,408.20 : 559,605,785.10 = 258,688,673.80 : x
  2. Step 2: Convert to fraction form
    373,574,408.20/559,605,785.10 = 258,688,673.80/x
  3. Step 3: Cross multiply
    373,574,408.20x = 559,605,785.10 × 258,688,673.80
  4. Step 4: Simplify right side
    373,574,408.20x = 144,763,678,398,326,816
  5. Step 5: Solve for x
    x = 144,763,678,398,326,816/373,574,408.20
  6. Step 6: Final answer
    x = 387,509,623.84

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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.