Home / 1,322,833,695.72-1,984,537,502.28-402,686,119.50

Finding the Fourth Proportional to 1,322,833,695.72, 1,984,537,502.28 and 402,686,119.50

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Solution

The fourth proportional to 1,322,833,695.72, 1,984,537,502.28 and 402,686,119.50 is: 604,116,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,833,695.72 : 1,984,537,502.28 = 402,686,119.50 : x
  2. Step 2: Convert to fraction form
    1,322,833,695.72/1,984,537,502.28 = 402,686,119.50/x
  3. Step 3: Cross multiply
    1,322,833,695.72x = 1,984,537,502.28 × 402,686,119.50
  4. Step 4: Simplify right side
    1,322,833,695.72x = 799,145,705,795,355,648
  5. Step 5: Solve for x
    x = 799,145,705,795,355,648/1,322,833,695.72
  6. Step 6: Final answer
    x = 604,116,532.85

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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.