Home / 893,641,980.76-1,233,237,282.66-491,801,995.72

Finding the Fourth Proportional to 893,641,980.76, 1,233,237,282.66 and 491,801,995.72

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Solution

The fourth proportional to 893,641,980.76, 1,233,237,282.66 and 491,801,995.72 is: 678,692,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,641,980.76 : 1,233,237,282.66 = 491,801,995.72 : x
  2. Step 2: Convert to fraction form
    893,641,980.76/1,233,237,282.66 = 491,801,995.72/x
  3. Step 3: Cross multiply
    893,641,980.76x = 1,233,237,282.66 × 491,801,995.72
  4. Step 4: Simplify right side
    893,641,980.76x = 606,508,556,808,497,792
  5. Step 5: Solve for x
    x = 606,508,556,808,497,792/893,641,980.76
  6. Step 6: Final answer
    x = 678,692,999.96

Related Problems

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Half scale
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Double scale
Find fourth proportional to 893,641,981.76, 1,233,237,284.04 and 491,801,996.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.