Home / 1,068,081,123.60-1,602,405,120.60-377,916,411.60

Finding the Fourth Proportional to 1,068,081,123.60, 1,602,405,120.60 and 377,916,411.60

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Solution

The fourth proportional to 1,068,081,123.60, 1,602,405,120.60 and 377,916,411.60 is: 566,974,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,081,123.60 : 1,602,405,120.60 = 377,916,411.60 : x
  2. Step 2: Convert to fraction form
    1,068,081,123.60/1,602,405,120.60 = 377,916,411.60/x
  3. Step 3: Cross multiply
    1,068,081,123.60x = 1,602,405,120.60 × 377,916,411.60
  4. Step 4: Simplify right side
    1,068,081,123.60x = 605,575,193,106,617,216
  5. Step 5: Solve for x
    x = 605,575,193,106,617,216/1,068,081,123.60
  6. Step 6: Final answer
    x = 566,974,904.55

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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.