Home / 1,244,631,931.80-1,866,947,897.70-624,759,149.40

Finding the Fourth Proportional to 1,244,631,931.80, 1,866,947,897.70 and 624,759,149.40

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Solution

The fourth proportional to 1,244,631,931.80, 1,866,947,897.70 and 624,759,149.40 is: 937,138,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,631,931.80 : 1,866,947,897.70 = 624,759,149.40 : x
  2. Step 2: Convert to fraction form
    1,244,631,931.80/1,866,947,897.70 = 624,759,149.40/x
  3. Step 3: Cross multiply
    1,244,631,931.80x = 1,866,947,897.70 × 624,759,149.40
  4. Step 4: Simplify right side
    1,244,631,931.80x = 1,166,392,780,541,170,176
  5. Step 5: Solve for x
    x = 1,166,392,780,541,170,176/1,244,631,931.80
  6. Step 6: Final answer
    x = 937,138,724.10

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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.