Home / 1,787,468,492.84-2,681,303,588.85-543,939,483.74

Finding the Fourth Proportional to 1,787,468,492.84, 2,681,303,588.85 and 543,939,483.74

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Solution

The fourth proportional to 1,787,468,492.84, 2,681,303,588.85 and 543,939,483.74 is: 815,939,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,468,492.84 : 2,681,303,588.85 = 543,939,483.74 : x
  2. Step 2: Convert to fraction form
    1,787,468,492.84/2,681,303,588.85 = 543,939,483.74/x
  3. Step 3: Cross multiply
    1,787,468,492.84x = 2,681,303,588.85 × 543,939,483.74
  4. Step 4: Simplify right side
    1,787,468,492.84x = 1,458,466,889,869,278,208
  5. Step 5: Solve for x
    x = 1,458,466,889,869,278,208/1,787,468,492.84
  6. Step 6: Final answer
    x = 815,939,914.86

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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.