Home / 1,010,657,257.80-1,515,985,886.70-617,816,070.60

Finding the Fourth Proportional to 1,010,657,257.80, 1,515,985,886.70 and 617,816,070.60

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Solution

The fourth proportional to 1,010,657,257.80, 1,515,985,886.70 and 617,816,070.60 is: 926,724,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,657,257.80 : 1,515,985,886.70 = 617,816,070.60 : x
  2. Step 2: Convert to fraction form
    1,010,657,257.80/1,515,985,886.70 = 617,816,070.60/x
  3. Step 3: Cross multiply
    1,010,657,257.80x = 1,515,985,886.70 × 617,816,070.60
  4. Step 4: Simplify right side
    1,010,657,257.80x = 936,600,443,606,050,816
  5. Step 5: Solve for x
    x = 936,600,443,606,050,816/1,010,657,257.80
  6. Step 6: Final answer
    x = 926,724,105.90

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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.