Home / 1,102,765,889.85-1,654,637,313.32-578,010,281.09

Finding the Fourth Proportional to 1,102,765,889.85, 1,654,637,313.32 and 578,010,281.09

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Solution

The fourth proportional to 1,102,765,889.85, 1,654,637,313.32 and 578,010,281.09 is: 867,271,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,765,889.85 : 1,654,637,313.32 = 578,010,281.09 : x
  2. Step 2: Convert to fraction form
    1,102,765,889.85/1,654,637,313.32 = 578,010,281.09/x
  3. Step 3: Cross multiply
    1,102,765,889.85x = 1,654,637,313.32 × 578,010,281.09
  4. Step 4: Simplify right side
    1,102,765,889.85x = 956,397,378,562,932,480
  5. Step 5: Solve for x
    x = 956,397,378,562,932,480/1,102,765,889.85
  6. Step 6: Final answer
    x = 867,271,455.68

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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.