Home / 696,809,803.60-961,589,898.12-383,537,319.76

Finding the Fourth Proportional to 696,809,803.60, 961,589,898.12 and 383,537,319.76

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Solution

The fourth proportional to 696,809,803.60, 961,589,898.12 and 383,537,319.76 is: 529,277,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,809,803.60 : 961,589,898.12 = 383,537,319.76 : x
  2. Step 2: Convert to fraction form
    696,809,803.60/961,589,898.12 = 383,537,319.76/x
  3. Step 3: Cross multiply
    696,809,803.60x = 961,589,898.12 × 383,537,319.76
  4. Step 4: Simplify right side
    696,809,803.60x = 368,805,612,233,236,224
  5. Step 5: Solve for x
    x = 368,805,612,233,236,224/696,809,803.60
  6. Step 6: Final answer
    x = 529,277,301.11

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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.