Home / 1,317,880,050.48-1,818,669,478.98-723,174,485.04

Finding the Fourth Proportional to 1,317,880,050.48, 1,818,669,478.98 and 723,174,485.04

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Solution

The fourth proportional to 1,317,880,050.48, 1,818,669,478.98 and 723,174,485.04 is: 997,978,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,880,050.48 : 1,818,669,478.98 = 723,174,485.04 : x
  2. Step 2: Convert to fraction form
    1,317,880,050.48/1,818,669,478.98 = 723,174,485.04/x
  3. Step 3: Cross multiply
    1,317,880,050.48x = 1,818,669,478.98 × 723,174,485.04
  4. Step 4: Simplify right side
    1,317,880,050.48x = 1,315,215,363,919,326,464
  5. Step 5: Solve for x
    x = 1,315,215,363,919,326,464/1,317,880,050.48
  6. Step 6: Final answer
    x = 997,978,050.76

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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.