Home / 760,786,925.26-1,140,383,909.68-318,383,078.11

Finding the Fourth Proportional to 760,786,925.26, 1,140,383,909.68 and 318,383,078.11

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Solution

The fourth proportional to 760,786,925.26, 1,140,383,909.68 and 318,383,078.11 is: 477,241,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,786,925.26 : 1,140,383,909.68 = 318,383,078.11 : x
  2. Step 2: Convert to fraction form
    760,786,925.26/1,140,383,909.68 = 318,383,078.11/x
  3. Step 3: Cross multiply
    760,786,925.26x = 1,140,383,909.68 × 318,383,078.11
  4. Step 4: Simplify right side
    760,786,925.26x = 363,078,939,391,034,688
  5. Step 5: Solve for x
    x = 363,078,939,391,034,688/760,786,925.26
  6. Step 6: Final answer
    x = 477,241,297.58

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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.