Home / 700,543,661.40-1,050,815,492.10-442,901,064.60

Finding the Fourth Proportional to 700,543,661.40, 1,050,815,492.10 and 442,901,064.60

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Solution

The fourth proportional to 700,543,661.40, 1,050,815,492.10 and 442,901,064.60 is: 664,351,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,543,661.40 : 1,050,815,492.10 = 442,901,064.60 : x
  2. Step 2: Convert to fraction form
    700,543,661.40/1,050,815,492.10 = 442,901,064.60/x
  3. Step 3: Cross multiply
    700,543,661.40x = 1,050,815,492.10 × 442,901,064.60
  4. Step 4: Simplify right side
    700,543,661.40x = 465,407,300,149,262,912
  5. Step 5: Solve for x
    x = 465,407,300,149,262,912/700,543,661.40
  6. Step 6: Final answer
    x = 664,351,596.90

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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.