Home / 1,140,550,217.68-1,573,689,533.88-645,512,926

Finding the Fourth Proportional to 1,140,550,217.68, 1,573,689,533.88 and 645,512,926

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Solution

The fourth proportional to 1,140,550,217.68, 1,573,689,533.88 and 645,512,926 is: 890,655,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,550,217.68 : 1,573,689,533.88 = 645,512,926 : x
  2. Step 2: Convert to fraction form
    1,140,550,217.68/1,573,689,533.88 = 645,512,926/x
  3. Step 3: Cross multiply
    1,140,550,217.68x = 1,573,689,533.88 × 645,512,926
  4. Step 4: Simplify right side
    1,140,550,217.68x = 1,015,836,935,630,455,040
  5. Step 5: Solve for x
    x = 1,015,836,935,630,455,040/1,140,550,217.68
  6. Step 6: Final answer
    x = 890,655,159.14

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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.