Home / 1,001,010,140.80-1,501,515,211.20-571,028,444.80

Finding the Fourth Proportional to 1,001,010,140.80, 1,501,515,211.20 and 571,028,444.80

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Solution

The fourth proportional to 1,001,010,140.80, 1,501,515,211.20 and 571,028,444.80 is: 856,542,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,010,140.80 : 1,501,515,211.20 = 571,028,444.80 : x
  2. Step 2: Convert to fraction form
    1,001,010,140.80/1,501,515,211.20 = 571,028,444.80/x
  3. Step 3: Cross multiply
    1,001,010,140.80x = 1,501,515,211.20 × 571,028,444.80
  4. Step 4: Simplify right side
    1,001,010,140.80x = 857,407,895,895,079,552
  5. Step 5: Solve for x
    x = 857,407,895,895,079,552/1,001,010,140.80
  6. Step 6: Final answer
    x = 856,542,667.20

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Double scale
Find fourth proportional to 1,001,010,141.80, 1,501,515,212.70 and 571,028,445.80
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.