Home / 289,677,899.58-399,763,077.80-157,526,625.12

Finding the Fourth Proportional to 289,677,899.58, 399,763,077.80 and 157,526,625.12

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Solution

The fourth proportional to 289,677,899.58, 399,763,077.80 and 157,526,625.12 is: 217,390,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,677,899.58 : 399,763,077.80 = 157,526,625.12 : x
  2. Step 2: Convert to fraction form
    289,677,899.58/399,763,077.80 = 157,526,625.12/x
  3. Step 3: Cross multiply
    289,677,899.58x = 399,763,077.80 × 157,526,625.12
  4. Step 4: Simplify right side
    289,677,899.58x = 62,973,328,492,630,368
  5. Step 5: Solve for x
    x = 62,973,328,492,630,368/289,677,899.58
  6. Step 6: Final answer
    x = 217,390,862.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.