Home / 1,154,919,617.90-1,732,804,579.65-378,590,605.10

Finding the Fourth Proportional to 1,154,919,617.90, 1,732,804,579.65 and 378,590,605.10

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Solution

The fourth proportional to 1,154,919,617.90, 1,732,804,579.65 and 378,590,605.10 is: 568,025,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,919,617.90 : 1,732,804,579.65 = 378,590,605.10 : x
  2. Step 2: Convert to fraction form
    1,154,919,617.90/1,732,804,579.65 = 378,590,605.10/x
  3. Step 3: Cross multiply
    1,154,919,617.90x = 1,732,804,579.65 × 378,590,605.10
  4. Step 4: Simplify right side
    1,154,919,617.90x = 656,023,534,329,744,768
  5. Step 5: Solve for x
    x = 656,023,534,329,744,768/1,154,919,617.90
  6. Step 6: Final answer
    x = 568,025,275.67

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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.