Home / 776,939,276.40-1,165,222,290.60-448,704,985.20

Finding the Fourth Proportional to 776,939,276.40, 1,165,222,290.60 and 448,704,985.20

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Solution

The fourth proportional to 776,939,276.40, 1,165,222,290.60 and 448,704,985.20 is: 672,949,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,939,276.40 : 1,165,222,290.60 = 448,704,985.20 : x
  2. Step 2: Convert to fraction form
    776,939,276.40/1,165,222,290.60 = 448,704,985.20/x
  3. Step 3: Cross multiply
    776,939,276.40x = 1,165,222,290.60 × 448,704,985.20
  4. Step 4: Simplify right side
    776,939,276.40x = 522,841,050,658,383,040
  5. Step 5: Solve for x
    x = 522,841,050,658,383,040/776,939,276.40
  6. Step 6: Final answer
    x = 672,949,697.02

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1.5x scale

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.