Home / 1,438,090,206.48-1,985,935,100.58-1,359,744,048.60

Finding the Fourth Proportional to 1,438,090,206.48, 1,985,935,100.58 and 1,359,744,048.60

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Solution

The fourth proportional to 1,438,090,206.48, 1,985,935,100.58 and 1,359,744,048.60 is: 1,877,742,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,090,206.48 : 1,985,935,100.58 = 1,359,744,048.60 : x
  2. Step 2: Convert to fraction form
    1,438,090,206.48/1,985,935,100.58 = 1,359,744,048.60/x
  3. Step 3: Cross multiply
    1,438,090,206.48x = 1,985,935,100.58 × 1,359,744,048.60
  4. Step 4: Simplify right side
    1,438,090,206.48x = 2,700,363,433,919,497,216
  5. Step 5: Solve for x
    x = 2,700,363,433,919,497,216/1,438,090,206.48
  6. Step 6: Final answer
    x = 1,877,742,732.52

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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.