Home / 774,920,235.40-1,070,410,715.86-574,383,642.20

Finding the Fourth Proportional to 774,920,235.40, 1,070,410,715.86 and 574,383,642.20

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Solution

The fourth proportional to 774,920,235.40, 1,070,410,715.86 and 574,383,642.20 is: 793,406,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,920,235.40 : 1,070,410,715.86 = 574,383,642.20 : x
  2. Step 2: Convert to fraction form
    774,920,235.40/1,070,410,715.86 = 574,383,642.20/x
  3. Step 3: Cross multiply
    774,920,235.40x = 1,070,410,715.86 × 574,383,642.20
  4. Step 4: Simplify right side
    774,920,235.40x = 614,826,405,625,576,192
  5. Step 5: Solve for x
    x = 614,826,405,625,576,192/774,920,235.40
  6. Step 6: Final answer
    x = 793,406,053.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.