Home / 376,776,557.20-565,191,740-100,426,323.78

Finding the Fourth Proportional to 376,776,557.20, 565,191,740 and 100,426,323.78

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Solution

The fourth proportional to 376,776,557.20, 565,191,740 and 100,426,323.78 is: 150,646,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,776,557.20 : 565,191,740 = 100,426,323.78 : x
  2. Step 2: Convert to fraction form
    376,776,557.20/565,191,740 = 100,426,323.78/x
  3. Step 3: Cross multiply
    376,776,557.20x = 565,191,740 × 100,426,323.78
  4. Step 4: Simplify right side
    376,776,557.20x = 56,760,128,679,021,576
  5. Step 5: Solve for x
    x = 56,760,128,679,021,576/376,776,557.20
  6. Step 6: Final answer
    x = 150,646,656.74

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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.