Home / 371,601,979.47-512,843,407.01-204,367,713.71

Finding the Fourth Proportional to 371,601,979.47, 512,843,407.01 and 204,367,713.71

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Solution

The fourth proportional to 371,601,979.47, 512,843,407.01 and 204,367,713.71 is: 282,045,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,601,979.47 : 512,843,407.01 = 204,367,713.71 : x
  2. Step 2: Convert to fraction form
    371,601,979.47/512,843,407.01 = 204,367,713.71/x
  3. Step 3: Cross multiply
    371,601,979.47x = 512,843,407.01 × 204,367,713.71
  4. Step 4: Simplify right side
    371,601,979.47x = 104,808,634,581,880,688
  5. Step 5: Solve for x
    x = 104,808,634,581,880,688/371,601,979.47
  6. Step 6: Final answer
    x = 282,045,415.18

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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.