Home / 1,438,088,593.86-1,985,932,881.81-1,359,742,440.78

Finding the Fourth Proportional to 1,438,088,593.86, 1,985,932,881.81 and 1,359,742,440.78

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Solution

The fourth proportional to 1,438,088,593.86, 1,985,932,881.81 and 1,359,742,440.78 is: 1,877,740,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,088,593.86 : 1,985,932,881.81 = 1,359,742,440.78 : x
  2. Step 2: Convert to fraction form
    1,438,088,593.86/1,985,932,881.81 = 1,359,742,440.78/x
  3. Step 3: Cross multiply
    1,438,088,593.86x = 1,985,932,881.81 × 1,359,742,440.78
  4. Step 4: Simplify right side
    1,438,088,593.86x = 2,700,357,223,937,588,736
  5. Step 5: Solve for x
    x = 2,700,357,223,937,588,736/1,438,088,593.86
  6. Step 6: Final answer
    x = 1,877,740,519.93

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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.