Home / 1,317,880,054.20-1,818,669,483.86-723,174,488.58

Finding the Fourth Proportional to 1,317,880,054.20, 1,818,669,483.86 and 723,174,488.58

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Solution

The fourth proportional to 1,317,880,054.20, 1,818,669,483.86 and 723,174,488.58 is: 997,978,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,880,054.20 : 1,818,669,483.86 = 723,174,488.58 : x
  2. Step 2: Convert to fraction form
    1,317,880,054.20/1,818,669,483.86 = 723,174,488.58/x
  3. Step 3: Cross multiply
    1,317,880,054.20x = 1,818,669,483.86 × 723,174,488.58
  4. Step 4: Simplify right side
    1,317,880,054.20x = 1,315,215,373,886,508,032
  5. Step 5: Solve for x
    x = 1,315,215,373,886,508,032/1,317,880,054.20
  6. Step 6: Final answer
    x = 997,978,055.51

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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.