Home / 1,001,010,147.30-1,501,515,220.95-571,028,451.30

Finding the Fourth Proportional to 1,001,010,147.30, 1,501,515,220.95 and 571,028,451.30

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Solution

The fourth proportional to 1,001,010,147.30, 1,501,515,220.95 and 571,028,451.30 is: 856,542,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,010,147.30 : 1,501,515,220.95 = 571,028,451.30 : x
  2. Step 2: Convert to fraction form
    1,001,010,147.30/1,501,515,220.95 = 571,028,451.30/x
  3. Step 3: Cross multiply
    1,001,010,147.30x = 1,501,515,220.95 × 571,028,451.30
  4. Step 4: Simplify right side
    1,001,010,147.30x = 857,407,911,222,455,808
  5. Step 5: Solve for x
    x = 857,407,911,222,455,808/1,001,010,147.30
  6. Step 6: Final answer
    x = 856,542,676.95

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Half scale
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Double scale
Find fourth proportional to 1,001,010,148.30, 1,501,515,222.45 and 571,028,452.30
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.