Home / 356,210,549.51-491,588,701.72-205,447,139.13

Finding the Fourth Proportional to 356,210,549.51, 491,588,701.72 and 205,447,139.13

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Solution

The fourth proportional to 356,210,549.51, 491,588,701.72 and 205,447,139.13 is: 283,527,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,210,549.51 : 491,588,701.72 = 205,447,139.13 : x
  2. Step 2: Convert to fraction form
    356,210,549.51/491,588,701.72 = 205,447,139.13/x
  3. Step 3: Cross multiply
    356,210,549.51x = 491,588,701.72 × 205,447,139.13
  4. Step 4: Simplify right side
    356,210,549.51x = 100,995,492,398,334,736
  5. Step 5: Solve for x
    x = 100,995,492,398,334,736/356,210,549.51
  6. Step 6: Final answer
    x = 283,527,516.35

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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.