Home / 628,665,632.51-867,519,482.89-346,392,277.00

Finding the Fourth Proportional to 628,665,632.51, 867,519,482.89 and 346,392,277.00

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Solution

The fourth proportional to 628,665,632.51, 867,519,482.89 and 346,392,277.00 is: 477,999,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,665,632.51 : 867,519,482.89 = 346,392,277.00 : x
  2. Step 2: Convert to fraction form
    628,665,632.51/867,519,482.89 = 346,392,277.00/x
  3. Step 3: Cross multiply
    628,665,632.51x = 867,519,482.89 × 346,392,277.00
  4. Step 4: Simplify right side
    628,665,632.51x = 300,502,049,019,950,464
  5. Step 5: Solve for x
    x = 300,502,049,019,950,464/628,665,632.51
  6. Step 6: Final answer
    x = 477,999,803.84

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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.