Home / 829,754,611.20-1,244,631,916.80-416,506,089.60

Finding the Fourth Proportional to 829,754,611.20, 1,244,631,916.80 and 416,506,089.60

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Solution

The fourth proportional to 829,754,611.20, 1,244,631,916.80 and 416,506,089.60 is: 624,759,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,754,611.20 : 1,244,631,916.80 = 416,506,089.60 : x
  2. Step 2: Convert to fraction form
    829,754,611.20/1,244,631,916.80 = 416,506,089.60/x
  3. Step 3: Cross multiply
    829,754,611.20x = 1,244,631,916.80 × 416,506,089.60
  4. Step 4: Simplify right side
    829,754,611.20x = 518,396,772,657,720,576
  5. Step 5: Solve for x
    x = 518,396,772,657,720,576/829,754,611.20
  6. Step 6: Final answer
    x = 624,759,134.40

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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.