Home / 448,403,465.60-672,605,198.40-376,977,795.20

Finding the Fourth Proportional to 448,403,465.60, 672,605,198.40 and 376,977,795.20

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Solution

The fourth proportional to 448,403,465.60, 672,605,198.40 and 376,977,795.20 is: 565,466,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403,465.60 : 672,605,198.40 = 376,977,795.20 : x
  2. Step 2: Convert to fraction form
    448,403,465.60/672,605,198.40 = 376,977,795.20/x
  3. Step 3: Cross multiply
    448,403,465.60x = 672,605,198.40 × 376,977,795.20
  4. Step 4: Simplify right side
    448,403,465.60x = 253,557,224,732,890,560
  5. Step 5: Solve for x
    x = 253,557,224,732,890,560/448,403,465.60
  6. Step 6: Final answer
    x = 565,466,692.80

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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.