Home / 1,721,953,021.35-2,376,370,421.55-969,314,762.64

Finding the Fourth Proportional to 1,721,953,021.35, 2,376,370,421.55 and 969,314,762.64

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Solution

The fourth proportional to 1,721,953,021.35, 2,376,370,421.55 and 969,314,762.64 is: 1,337,696,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,953,021.35 : 2,376,370,421.55 = 969,314,762.64 : x
  2. Step 2: Convert to fraction form
    1,721,953,021.35/2,376,370,421.55 = 969,314,762.64/x
  3. Step 3: Cross multiply
    1,721,953,021.35x = 2,376,370,421.55 × 969,314,762.64
  4. Step 4: Simplify right side
    1,721,953,021.35x = 2,303,450,931,109,455,104
  5. Step 5: Solve for x
    x = 2,303,450,931,109,455,104/1,721,953,021.35
  6. Step 6: Final answer
    x = 1,337,696,733.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.