Home / 520,499,282.00-780,720,184.65-380,583,119.63

Finding the Fourth Proportional to 520,499,282.00, 780,720,184.65 and 380,583,119.63

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Solution

The fourth proportional to 520,499,282.00, 780,720,184.65 and 380,583,119.63 is: 570,853,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,499,282.00 : 780,720,184.65 = 380,583,119.63 : x
  2. Step 2: Convert to fraction form
    520,499,282.00/780,720,184.65 = 380,583,119.63/x
  3. Step 3: Cross multiply
    520,499,282.00x = 780,720,184.65 × 380,583,119.63
  4. Step 4: Simplify right side
    520,499,282.00x = 297,128,923,434,158,400
  5. Step 5: Solve for x
    x = 297,128,923,434,158,400/520,499,282.00
  6. Step 6: Final answer
    x = 570,853,666.30

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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.