Home / 1,177,528,091.80-1,766,292,137.70-402,049,384.60

Finding the Fourth Proportional to 1,177,528,091.80, 1,766,292,137.70 and 402,049,384.60

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Solution

The fourth proportional to 1,177,528,091.80, 1,766,292,137.70 and 402,049,384.60 is: 603,074,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,528,091.80 : 1,766,292,137.70 = 402,049,384.60 : x
  2. Step 2: Convert to fraction form
    1,177,528,091.80/1,766,292,137.70 = 402,049,384.60/x
  3. Step 3: Cross multiply
    1,177,528,091.80x = 1,766,292,137.70 × 402,049,384.60
  4. Step 4: Simplify right side
    1,177,528,091.80x = 710,136,666,986,103,552
  5. Step 5: Solve for x
    x = 710,136,666,986,103,552/1,177,528,091.80
  6. Step 6: Final answer
    x = 603,074,076.90

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Double scale
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Similar ratio
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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.