Home / 1,001,020,444.20-1,501,530,666.30-591,865,986.60

Finding the Fourth Proportional to 1,001,020,444.20, 1,501,530,666.30 and 591,865,986.60

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Solution

The fourth proportional to 1,001,020,444.20, 1,501,530,666.30 and 591,865,986.60 is: 887,798,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,020,444.20 : 1,501,530,666.30 = 591,865,986.60 : x
  2. Step 2: Convert to fraction form
    1,001,020,444.20/1,501,530,666.30 = 591,865,986.60/x
  3. Step 3: Cross multiply
    1,001,020,444.20x = 1,501,530,666.30 × 591,865,986.60
  4. Step 4: Simplify right side
    1,001,020,444.20x = 888,704,929,219,804,928
  5. Step 5: Solve for x
    x = 888,704,929,219,804,928/1,001,020,444.20
  6. Step 6: Final answer
    x = 887,798,979.90

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Half scale
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Double scale
Find fourth proportional to 1,001,020,445.20, 1,501,530,667.80 and 591,865,987.60
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.