Home / 909,381,292.08-1,254,659,712.12-556,589,498.64

Finding the Fourth Proportional to 909,381,292.08, 1,254,659,712.12 and 556,589,498.64

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Solution

The fourth proportional to 909,381,292.08, 1,254,659,712.12 and 556,589,498.64 is: 767,918,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,381,292.08 : 1,254,659,712.12 = 556,589,498.64 : x
  2. Step 2: Convert to fraction form
    909,381,292.08/1,254,659,712.12 = 556,589,498.64/x
  3. Step 3: Cross multiply
    909,381,292.08x = 1,254,659,712.12 × 556,589,498.64
  4. Step 4: Simplify right side
    909,381,292.08x = 698,330,420,132,677,504
  5. Step 5: Solve for x
    x = 698,330,420,132,677,504/909,381,292.08
  6. Step 6: Final answer
    x = 767,918,172.73

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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.