Home / 676,907,801.13-933,788,976.25-442,095,909.69

Finding the Fourth Proportional to 676,907,801.13, 933,788,976.25 and 442,095,909.69

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Solution

The fourth proportional to 676,907,801.13, 933,788,976.25 and 442,095,909.69 is: 609,867,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,907,801.13 : 933,788,976.25 = 442,095,909.69 : x
  2. Step 2: Convert to fraction form
    676,907,801.13/933,788,976.25 = 442,095,909.69/x
  3. Step 3: Cross multiply
    676,907,801.13x = 933,788,976.25 × 442,095,909.69
  4. Step 4: Simplify right side
    676,907,801.13x = 412,824,286,911,527,104
  5. Step 5: Solve for x
    x = 412,824,286,911,527,104/676,907,801.13
  6. Step 6: Final answer
    x = 609,867,822.80

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Double scale
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1.5x scale

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.