Home / 529,408,061.50-792,578,587.80-398,800,393.48

Finding the Fourth Proportional to 529,408,061.50, 792,578,587.80 and 398,800,393.48

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Solution

The fourth proportional to 529,408,061.50, 792,578,587.80 and 398,800,393.48 is: 597,045,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,408,061.50 : 792,578,587.80 = 398,800,393.48 : x
  2. Step 2: Convert to fraction form
    529,408,061.50/792,578,587.80 = 398,800,393.48/x
  3. Step 3: Cross multiply
    529,408,061.50x = 792,578,587.80 × 398,800,393.48
  4. Step 4: Simplify right side
    529,408,061.50x = 316,080,652,678,462,720
  5. Step 5: Solve for x
    x = 316,080,652,678,462,720/529,408,061.50
  6. Step 6: Final answer
    x = 597,045,409.14

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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.