Home / 1,244,732,492.80-1,865,823,280.80-726,896,382.40

Finding the Fourth Proportional to 1,244,732,492.80, 1,865,823,280.80 and 726,896,382.40

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Solution

The fourth proportional to 1,244,732,492.80, 1,865,823,280.80 and 726,896,382.40 is: 1,089,599,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,732,492.80 : 1,865,823,280.80 = 726,896,382.40 : x
  2. Step 2: Convert to fraction form
    1,244,732,492.80/1,865,823,280.80 = 726,896,382.40/x
  3. Step 3: Cross multiply
    1,244,732,492.80x = 1,865,823,280.80 × 726,896,382.40
  4. Step 4: Simplify right side
    1,244,732,492.80x = 1,356,260,193,011,219,200
  5. Step 5: Solve for x
    x = 1,356,260,193,011,219,200/1,244,732,492.80
  6. Step 6: Final answer
    x = 1,089,599,733.96

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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.