Home / 19,069,193,388.40-28,577,639,192.30-12,069,509,575.66

Finding the Fourth Proportional to 19,069,193,388.40, 28,577,639,192.30 and 12,069,509,575.66

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Solution

The fourth proportional to 19,069,193,388.40, 28,577,639,192.30 and 12,069,509,575.66 is: 18,087,712,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069,193,388.40 : 28,577,639,192.30 = 12,069,509,575.66 : x
  2. Step 2: Convert to fraction form
    19,069,193,388.40/28,577,639,192.30 = 12,069,509,575.66/x
  3. Step 3: Cross multiply
    19,069,193,388.40x = 28,577,639,192.30 × 12,069,509,575.66
  4. Step 4: Simplify right side
    19,069,193,388.40x = 344,918,089,881,123,553,280
  5. Step 5: Solve for x
    x = 344,918,089,881,123,553,280/19,069,193,388.40
  6. Step 6: Final answer
    x = 18,087,712,618.77

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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.