Home / 885,755,087.70-1,328,632,631.55-477,608,399.70

Finding the Fourth Proportional to 885,755,087.70, 1,328,632,631.55 and 477,608,399.70

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Solution

The fourth proportional to 885,755,087.70, 1,328,632,631.55 and 477,608,399.70 is: 716,412,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,755,087.70 : 1,328,632,631.55 = 477,608,399.70 : x
  2. Step 2: Convert to fraction form
    885,755,087.70/1,328,632,631.55 = 477,608,399.70/x
  3. Step 3: Cross multiply
    885,755,087.70x = 1,328,632,631.55 × 477,608,399.70
  4. Step 4: Simplify right side
    885,755,087.70x = 634,566,104,943,795,200
  5. Step 5: Solve for x
    x = 634,566,104,943,795,200/885,755,087.70
  6. Step 6: Final answer
    x = 716,412,599.55

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1.5x scale

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.