Home / 829,754,623.20-1,244,631,934.80-416,506,101.60

Finding the Fourth Proportional to 829,754,623.20, 1,244,631,934.80 and 416,506,101.60

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Solution

The fourth proportional to 829,754,623.20, 1,244,631,934.80 and 416,506,101.60 is: 624,759,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,754,623.20 : 1,244,631,934.80 = 416,506,101.60 : x
  2. Step 2: Convert to fraction form
    829,754,623.20/1,244,631,934.80 = 416,506,101.60/x
  3. Step 3: Cross multiply
    829,754,623.20x = 1,244,631,934.80 × 416,506,101.60
  4. Step 4: Simplify right side
    829,754,623.20x = 518,396,795,090,413,376
  5. Step 5: Solve for x
    x = 518,396,795,090,413,376/829,754,623.20
  6. Step 6: Final answer
    x = 624,759,152.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.