Home / 1,243,615,916.52-1,866,069,475.56-507,226,072.68

Finding the Fourth Proportional to 1,243,615,916.52, 1,866,069,475.56 and 507,226,072.68

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Solution

The fourth proportional to 1,243,615,916.52, 1,866,069,475.56 and 507,226,072.68 is: 761,102,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,615,916.52 : 1,866,069,475.56 = 507,226,072.68 : x
  2. Step 2: Convert to fraction form
    1,243,615,916.52/1,866,069,475.56 = 507,226,072.68/x
  3. Step 3: Cross multiply
    1,243,615,916.52x = 1,866,069,475.56 × 507,226,072.68
  4. Step 4: Simplify right side
    1,243,615,916.52x = 946,519,091,436,326,016
  5. Step 5: Solve for x
    x = 946,519,091,436,326,016/1,243,615,916.52
  6. Step 6: Final answer
    x = 761,102,426.29

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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.