Home / 448,435,205.40-672,652,808.10-206,570,501.40

Finding the Fourth Proportional to 448,435,205.40, 672,652,808.10 and 206,570,501.40

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Solution

The fourth proportional to 448,435,205.40, 672,652,808.10 and 206,570,501.40 is: 309,855,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,435,205.40 : 672,652,808.10 = 206,570,501.40 : x
  2. Step 2: Convert to fraction form
    448,435,205.40/672,652,808.10 = 206,570,501.40/x
  3. Step 3: Cross multiply
    448,435,205.40x = 672,652,808.10 × 206,570,501.40
  4. Step 4: Simplify right side
    448,435,205.40x = 138,950,227,837,334,992
  5. Step 5: Solve for x
    x = 138,950,227,837,334,992/448,435,205.40
  6. Step 6: Final answer
    x = 309,855,752.10

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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.