Home / 674,017,477.70-1,011,026,216.55-328,793,404.10

Finding the Fourth Proportional to 674,017,477.70, 1,011,026,216.55 and 328,793,404.10

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Solution

The fourth proportional to 674,017,477.70, 1,011,026,216.55 and 328,793,404.10 is: 493,190,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,017,477.70 : 1,011,026,216.55 = 328,793,404.10 : x
  2. Step 2: Convert to fraction form
    674,017,477.70/1,011,026,216.55 = 328,793,404.10/x
  3. Step 3: Cross multiply
    674,017,477.70x = 1,011,026,216.55 × 328,793,404.10
  4. Step 4: Simplify right side
    674,017,477.70x = 332,418,751,373,818,240
  5. Step 5: Solve for x
    x = 332,418,751,373,818,240/674,017,477.70
  6. Step 6: Final answer
    x = 493,190,106.15

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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.