Home / 1,438,088,260.67-1,985,932,421.76-1,359,742,107.44

Finding the Fourth Proportional to 1,438,088,260.67, 1,985,932,421.76 and 1,359,742,107.44

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Solution

The fourth proportional to 1,438,088,260.67, 1,985,932,421.76 and 1,359,742,107.44 is: 1,877,740,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,088,260.67 : 1,985,932,421.76 = 1,359,742,107.44 : x
  2. Step 2: Convert to fraction form
    1,438,088,260.67/1,985,932,421.76 = 1,359,742,107.44/x
  3. Step 3: Cross multiply
    1,438,088,260.67x = 1,985,932,421.76 × 1,359,742,107.44
  4. Step 4: Simplify right side
    1,438,088,260.67x = 2,700,355,936,407,497,216
  5. Step 5: Solve for x
    x = 2,700,355,936,407,497,216/1,438,088,260.67
  6. Step 6: Final answer
    x = 1,877,740,059.68

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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.