Home / 403,203,218.80-604,379,675.40-157,464,900.40

Finding the Fourth Proportional to 403,203,218.80, 604,379,675.40 and 157,464,900.40

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Solution

The fourth proportional to 403,203,218.80, 604,379,675.40 and 157,464,900.40 is: 236,031,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,203,218.80 : 604,379,675.40 = 157,464,900.40 : x
  2. Step 2: Convert to fraction form
    403,203,218.80/604,379,675.40 = 157,464,900.40/x
  3. Step 3: Cross multiply
    403,203,218.80x = 604,379,675.40 × 157,464,900.40
  4. Step 4: Simplify right side
    403,203,218.80x = 95,168,585,390,645,328
  5. Step 5: Solve for x
    x = 95,168,585,390,645,328/403,203,218.80
  6. Step 6: Final answer
    x = 236,031,313.62

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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.