Home / 1,511,545,705.40-2,267,157,376.20-528,991,012.55

Finding the Fourth Proportional to 1,511,545,705.40, 2,267,157,376.20 and 528,991,012.55

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Solution

The fourth proportional to 1,511,545,705.40, 2,267,157,376.20 and 528,991,012.55 is: 793,430,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,545,705.40 : 2,267,157,376.20 = 528,991,012.55 : x
  2. Step 2: Convert to fraction form
    1,511,545,705.40/2,267,157,376.20 = 528,991,012.55/x
  3. Step 3: Cross multiply
    1,511,545,705.40x = 2,267,157,376.20 × 528,991,012.55
  4. Step 4: Simplify right side
    1,511,545,705.40x = 1,199,305,876,046,239,232
  5. Step 5: Solve for x
    x = 1,199,305,876,046,239,232/1,511,545,705.40
  6. Step 6: Final answer
    x = 793,430,110.49

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Double scale
Find fourth proportional to 1,511,545,706.40, 2,267,157,377.70 and 528,991,013.55
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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.