Home / 677,103,689.20-1,015,655,533.80-606,076,599.55

Finding the Fourth Proportional to 677,103,689.20, 1,015,655,533.80 and 606,076,599.55

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Solution

The fourth proportional to 677,103,689.20, 1,015,655,533.80 and 606,076,599.55 is: 909,114,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,103,689.20 : 1,015,655,533.80 = 606,076,599.55 : x
  2. Step 2: Convert to fraction form
    677,103,689.20/1,015,655,533.80 = 606,076,599.55/x
  3. Step 3: Cross multiply
    677,103,689.20x = 1,015,655,533.80 × 606,076,599.55
  4. Step 4: Simplify right side
    677,103,689.20x = 615,565,052,239,644,032
  5. Step 5: Solve for x
    x = 615,565,052,239,644,032/677,103,689.20
  6. Step 6: Final answer
    x = 909,114,899.33

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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.