Home / 508,086,111.16-701,116,681.26-285,037,288.12

Finding the Fourth Proportional to 508,086,111.16, 701,116,681.26 and 285,037,288.12

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Solution

The fourth proportional to 508,086,111.16, 701,116,681.26 and 285,037,288.12 is: 393,327,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,086,111.16 : 701,116,681.26 = 285,037,288.12 : x
  2. Step 2: Convert to fraction form
    508,086,111.16/701,116,681.26 = 285,037,288.12/x
  3. Step 3: Cross multiply
    508,086,111.16x = 701,116,681.26 × 285,037,288.12
  4. Step 4: Simplify right side
    508,086,111.16x = 199,844,397,482,044,832
  5. Step 5: Solve for x
    x = 199,844,397,482,044,832/508,086,111.16
  6. Step 6: Final answer
    x = 393,327,810.17

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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.