Home / 1,020,550,151.40-1,529,581,567.41-528,992,420.64

Finding the Fourth Proportional to 1,020,550,151.40, 1,529,581,567.41 and 528,992,420.64

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Solution

The fourth proportional to 1,020,550,151.40, 1,529,581,567.41 and 528,992,420.64 is: 792,843,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,550,151.40 : 1,529,581,567.41 = 528,992,420.64 : x
  2. Step 2: Convert to fraction form
    1,020,550,151.40/1,529,581,567.41 = 528,992,420.64/x
  3. Step 3: Cross multiply
    1,020,550,151.40x = 1,529,581,567.41 × 528,992,420.64
  4. Step 4: Simplify right side
    1,020,550,151.40x = 809,137,055,910,541,312
  5. Step 5: Solve for x
    x = 809,137,055,910,541,312/1,020,550,151.40
  6. Step 6: Final answer
    x = 792,843,991.84

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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.