Home / 784,514,955.60-1,176,772,433.40-512,417,163.60

Finding the Fourth Proportional to 784,514,955.60, 1,176,772,433.40 and 512,417,163.60

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Solution

The fourth proportional to 784,514,955.60, 1,176,772,433.40 and 512,417,163.60 is: 768,625,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,514,955.60 : 1,176,772,433.40 = 512,417,163.60 : x
  2. Step 2: Convert to fraction form
    784,514,955.60/1,176,772,433.40 = 512,417,163.60/x
  3. Step 3: Cross multiply
    784,514,955.60x = 1,176,772,433.40 × 512,417,163.60
  4. Step 4: Simplify right side
    784,514,955.60x = 602,998,392,525,497,984
  5. Step 5: Solve for x
    x = 602,998,392,525,497,984/784,514,955.60
  6. Step 6: Final answer
    x = 768,625,745.40

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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.