Home / 760,766,077.78-1,141,292,475.80-288,206,667.72

Finding the Fourth Proportional to 760,766,077.78, 1,141,292,475.80 and 288,206,667.72

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Solution

The fourth proportional to 760,766,077.78, 1,141,292,475.80 and 288,206,667.72 is: 432,364,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,766,077.78 : 1,141,292,475.80 = 288,206,667.72 : x
  2. Step 2: Convert to fraction form
    760,766,077.78/1,141,292,475.80 = 288,206,667.72/x
  3. Step 3: Cross multiply
    760,766,077.78x = 1,141,292,475.80 × 288,206,667.72
  4. Step 4: Simplify right side
    760,766,077.78x = 328,928,101,344,226,752
  5. Step 5: Solve for x
    x = 328,928,101,344,226,752/760,766,077.78
  6. Step 6: Final answer
    x = 432,364,311.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.