Home / 2,154,123,779.89-3,226,660,661.33-1,366,772,153.11

Finding the Fourth Proportional to 2,154,123,779.89, 3,226,660,661.33 and 1,366,772,153.11

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Solution

The fourth proportional to 2,154,123,779.89, 3,226,660,661.33 and 1,366,772,153.11 is: 2,047,287,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,123,779.89 : 3,226,660,661.33 = 1,366,772,153.11 : x
  2. Step 2: Convert to fraction form
    2,154,123,779.89/3,226,660,661.33 = 1,366,772,153.11/x
  3. Step 3: Cross multiply
    2,154,123,779.89x = 3,226,660,661.33 × 1,366,772,153.11
  4. Step 4: Simplify right side
    2,154,123,779.89x = 4,410,109,939,444,818,432
  5. Step 5: Solve for x
    x = 4,410,109,939,444,818,432/2,154,123,779.89
  6. Step 6: Final answer
    x = 2,047,287,152.49

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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.