Home / 892,409,487.84-1,231,555,000.08-495,949,187.40

Finding the Fourth Proportional to 892,409,487.84, 1,231,555,000.08 and 495,949,187.40

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Solution

The fourth proportional to 892,409,487.84, 1,231,555,000.08 and 495,949,187.40 is: 684,426,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,409,487.84 : 1,231,555,000.08 = 495,949,187.40 : x
  2. Step 2: Convert to fraction form
    892,409,487.84/1,231,555,000.08 = 495,949,187.40/x
  3. Step 3: Cross multiply
    892,409,487.84x = 1,231,555,000.08 × 495,949,187.40
  4. Step 4: Simplify right side
    892,409,487.84x = 610,788,701,528,082,816
  5. Step 5: Solve for x
    x = 610,788,701,528,082,816/892,409,487.84
  6. Step 6: Final answer
    x = 684,426,499.10

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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.