Home / 784,121,007.60-1,176,181,511.40-772,027,772.40

Finding the Fourth Proportional to 784,121,007.60, 1,176,181,511.40 and 772,027,772.40

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Solution

The fourth proportional to 784,121,007.60, 1,176,181,511.40 and 772,027,772.40 is: 1,158,041,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,121,007.60 : 1,176,181,511.40 = 772,027,772.40 : x
  2. Step 2: Convert to fraction form
    784,121,007.60/1,176,181,511.40 = 772,027,772.40/x
  3. Step 3: Cross multiply
    784,121,007.60x = 1,176,181,511.40 × 772,027,772.40
  4. Step 4: Simplify right side
    784,121,007.60x = 908,044,792,184,207,232
  5. Step 5: Solve for x
    x = 908,044,792,184,207,232/784,121,007.60
  6. Step 6: Final answer
    x = 1,158,041,658.60

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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.