Home / 29,266,781,509.47-40,388,158,479.15-16,579,517,175.39

Finding the Fourth Proportional to 29,266,781,509.47, 40,388,158,479.15 and 16,579,517,175.39

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Solution

The fourth proportional to 29,266,781,509.47, 40,388,158,479.15 and 16,579,517,175.39 is: 22,879,733,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266,781,509.47 : 40,388,158,479.15 = 16,579,517,175.39 : x
  2. Step 2: Convert to fraction form
    29,266,781,509.47/40,388,158,479.15 = 16,579,517,175.39/x
  3. Step 3: Cross multiply
    29,266,781,509.47x = 40,388,158,479.15 × 16,579,517,175.39
  4. Step 4: Simplify right side
    29,266,781,509.47x = 669,616,167,187,440,730,112
  5. Step 5: Solve for x
    x = 669,616,167,187,440,730,112/29,266,781,509.47
  6. Step 6: Final answer
    x = 22,879,733,699.82

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1.5x scale

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.