Home / 1,020,550,152.40-1,529,581,568.91-528,992,421.64

Finding the Fourth Proportional to 1,020,550,152.40, 1,529,581,568.91 and 528,992,421.64

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Solution

The fourth proportional to 1,020,550,152.40, 1,529,581,568.91 and 528,992,421.64 is: 792,843,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,550,152.40 : 1,529,581,568.91 = 528,992,421.64 : x
  2. Step 2: Convert to fraction form
    1,020,550,152.40/1,529,581,568.91 = 528,992,421.64/x
  3. Step 3: Cross multiply
    1,020,550,152.40x = 1,529,581,568.91 × 528,992,421.64
  4. Step 4: Simplify right side
    1,020,550,152.40x = 809,137,058,233,611,520
  5. Step 5: Solve for x
    x = 809,137,058,233,611,520/1,020,550,152.40
  6. Step 6: Final answer
    x = 792,843,993.34

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Double scale
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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.