Home / 1,317,880,053.69-1,818,669,483.18-723,174,488.07

Finding the Fourth Proportional to 1,317,880,053.69, 1,818,669,483.18 and 723,174,488.07

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Solution

The fourth proportional to 1,317,880,053.69, 1,818,669,483.18 and 723,174,488.07 is: 997,978,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,880,053.69 : 1,818,669,483.18 = 723,174,488.07 : x
  2. Step 2: Convert to fraction form
    1,317,880,053.69/1,818,669,483.18 = 723,174,488.07/x
  3. Step 3: Cross multiply
    1,317,880,053.69x = 1,818,669,483.18 × 723,174,488.07
  4. Step 4: Simplify right side
    1,317,880,053.69x = 1,315,215,372,467,228,160
  5. Step 5: Solve for x
    x = 1,315,215,372,467,228,160/1,317,880,053.69
  6. Step 6: Final answer
    x = 997,978,054.82

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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.