Home / 1,039,223,989.31-1,559,068,637.31-349,112,421.41

Finding the Fourth Proportional to 1,039,223,989.31, 1,559,068,637.31 and 349,112,421.41

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Solution

The fourth proportional to 1,039,223,989.31, 1,559,068,637.31 and 349,112,421.41 is: 523,746,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,223,989.31 : 1,559,068,637.31 = 349,112,421.41 : x
  2. Step 2: Convert to fraction form
    1,039,223,989.31/1,559,068,637.31 = 349,112,421.41/x
  3. Step 3: Cross multiply
    1,039,223,989.31x = 1,559,068,637.31 × 349,112,421.41
  4. Step 4: Simplify right side
    1,039,223,989.31x = 544,290,227,107,887,744
  5. Step 5: Solve for x
    x = 544,290,227,107,887,744/1,039,223,989.31
  6. Step 6: Final answer
    x = 523,746,788.67

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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.