Home / 1,985,916,281.69-2,740,564,338.83-1,151,025,127.89

Finding the Fourth Proportional to 1,985,916,281.69, 2,740,564,338.83 and 1,151,025,127.89

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Solution

The fourth proportional to 1,985,916,281.69, 2,740,564,338.83 and 1,151,025,127.89 is: 1,588,414,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,916,281.69 : 2,740,564,338.83 = 1,151,025,127.89 : x
  2. Step 2: Convert to fraction form
    1,985,916,281.69/2,740,564,338.83 = 1,151,025,127.89/x
  3. Step 3: Cross multiply
    1,985,916,281.69x = 2,740,564,338.83 × 1,151,025,127.89
  4. Step 4: Simplify right side
    1,985,916,281.69x = 3,154,458,418,586,819,072
  5. Step 5: Solve for x
    x = 3,154,458,418,586,819,072/1,985,916,281.69
  6. Step 6: Final answer
    x = 1,588,414,601.20

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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.