Home / 880,575,847.56-1,320,864,017.58-258,791,045.72

Finding the Fourth Proportional to 880,575,847.56, 1,320,864,017.58 and 258,791,045.72

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Solution

The fourth proportional to 880,575,847.56, 1,320,864,017.58 and 258,791,045.72 is: 388,186,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,575,847.56 : 1,320,864,017.58 = 258,791,045.72 : x
  2. Step 2: Convert to fraction form
    880,575,847.56/1,320,864,017.58 = 258,791,045.72/x
  3. Step 3: Cross multiply
    880,575,847.56x = 1,320,864,017.58 × 258,791,045.72
  4. Step 4: Simplify right side
    880,575,847.56x = 341,827,780,356,844,352
  5. Step 5: Solve for x
    x = 341,827,780,356,844,352/880,575,847.56
  6. Step 6: Final answer
    x = 388,186,640.94

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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.