Home / 696,095,742.87-960,376,784.72-394,648,715.84

Finding the Fourth Proportional to 696,095,742.87, 960,376,784.72 and 394,648,715.84

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Solution

The fourth proportional to 696,095,742.87, 960,376,784.72 and 394,648,715.84 is: 544,481,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,095,742.87 : 960,376,784.72 = 394,648,715.84 : x
  2. Step 2: Convert to fraction form
    696,095,742.87/960,376,784.72 = 394,648,715.84/x
  3. Step 3: Cross multiply
    696,095,742.87x = 960,376,784.72 × 394,648,715.84
  4. Step 4: Simplify right side
    696,095,742.87x = 379,011,464,805,521,024
  5. Step 5: Solve for x
    x = 379,011,464,805,521,024/696,095,742.87
  6. Step 6: Final answer
    x = 544,481,802.52

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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.