Home / 1,858,176,579.60-2,787,264,869.40-1,072,573,921.35

Finding the Fourth Proportional to 1,858,176,579.60, 2,787,264,869.40 and 1,072,573,921.35

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Solution

The fourth proportional to 1,858,176,579.60, 2,787,264,869.40 and 1,072,573,921.35 is: 1,608,860,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,176,579.60 : 2,787,264,869.40 = 1,072,573,921.35 : x
  2. Step 2: Convert to fraction form
    1,858,176,579.60/2,787,264,869.40 = 1,072,573,921.35/x
  3. Step 3: Cross multiply
    1,858,176,579.60x = 2,787,264,869.40 × 1,072,573,921.35
  4. Step 4: Simplify right side
    1,858,176,579.60x = 2,989,547,610,813,453,824
  5. Step 5: Solve for x
    x = 2,989,547,610,813,453,824/1,858,176,579.60
  6. Step 6: Final answer
    x = 1,608,860,882.03

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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.