Home / 356,538,192.95-492,013,212.55-205,825,762.33

Finding the Fourth Proportional to 356,538,192.95, 492,013,212.55 and 205,825,762.33

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Solution

The fourth proportional to 356,538,192.95, 492,013,212.55 and 205,825,762.33 is: 284,034,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,538,192.95 : 492,013,212.55 = 205,825,762.33 : x
  2. Step 2: Convert to fraction form
    356,538,192.95/492,013,212.55 = 205,825,762.33/x
  3. Step 3: Cross multiply
    356,538,192.95x = 492,013,212.55 × 205,825,762.33
  4. Step 4: Simplify right side
    356,538,192.95x = 101,268,994,547,791,472
  5. Step 5: Solve for x
    x = 101,268,994,547,791,472/356,538,192.95
  6. Step 6: Final answer
    x = 284,034,071.38

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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.