Home / 347,686,277.80-521,529,416.70-291,566,108.20

Finding the Fourth Proportional to 347,686,277.80, 521,529,416.70 and 291,566,108.20

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Solution

The fourth proportional to 347,686,277.80, 521,529,416.70 and 291,566,108.20 is: 437,349,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,686,277.80 : 521,529,416.70 = 291,566,108.20 : x
  2. Step 2: Convert to fraction form
    347,686,277.80/521,529,416.70 = 291,566,108.20/x
  3. Step 3: Cross multiply
    347,686,277.80x = 521,529,416.70 × 291,566,108.20
  4. Step 4: Simplify right side
    347,686,277.80x = 152,060,302,339,035,072
  5. Step 5: Solve for x
    x = 152,060,302,339,035,072/347,686,277.80
  6. Step 6: Final answer
    x = 437,349,162.30

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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.