Home / 1,317,880,030.68-1,818,669,451.48-723,174,465.20

Finding the Fourth Proportional to 1,317,880,030.68, 1,818,669,451.48 and 723,174,465.20

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Solution

The fourth proportional to 1,317,880,030.68, 1,818,669,451.48 and 723,174,465.20 is: 997,978,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,880,030.68 : 1,818,669,451.48 = 723,174,465.20 : x
  2. Step 2: Convert to fraction form
    1,317,880,030.68/1,818,669,451.48 = 723,174,465.20/x
  3. Step 3: Cross multiply
    1,317,880,030.68x = 1,818,669,451.48 × 723,174,465.20
  4. Step 4: Simplify right side
    1,317,880,030.68x = 1,315,215,307,938,725,120
  5. Step 5: Solve for x
    x = 1,315,215,307,938,725,120/1,317,880,030.68
  6. Step 6: Final answer
    x = 997,978,023.28

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1.5x scale

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.