Home / 923,901,201.38-1,274,669,779.64-527,139,160.58

Finding the Fourth Proportional to 923,901,201.38, 1,274,669,779.64 and 527,139,160.58

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Solution

The fourth proportional to 923,901,201.38, 1,274,669,779.64 and 527,139,160.58 is: 727,272,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,901,201.38 : 1,274,669,779.64 = 527,139,160.58 : x
  2. Step 2: Convert to fraction form
    923,901,201.38/1,274,669,779.64 = 527,139,160.58/x
  3. Step 3: Cross multiply
    923,901,201.38x = 1,274,669,779.64 × 527,139,160.58
  4. Step 4: Simplify right side
    923,901,201.38x = 671,928,357,647,114,112
  5. Step 5: Solve for x
    x = 671,928,357,647,114,112/923,901,201.38
  6. Step 6: Final answer
    x = 727,272,955.86

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Double scale
Find fourth proportional to 923,901,202.38, 1,274,669,781.01 and 527,139,161.58
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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.