Home / 389,788,260.24-584,756,131.91-156,637,121.93

Finding the Fourth Proportional to 389,788,260.24, 584,756,131.91 and 156,637,121.93

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Solution

The fourth proportional to 389,788,260.24, 584,756,131.91 and 156,637,121.93 is: 234,985,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,260.24 : 584,756,131.91 = 156,637,121.93 : x
  2. Step 2: Convert to fraction form
    389,788,260.24/584,756,131.91 = 156,637,121.93/x
  3. Step 3: Cross multiply
    389,788,260.24x = 584,756,131.91 × 156,637,121.93
  4. Step 4: Simplify right side
    389,788,260.24x = 91,594,517,531,787,696
  5. Step 5: Solve for x
    x = 91,594,517,531,787,696/389,788,260.24
  6. Step 6: Final answer
    x = 234,985,316.06

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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.