Home / 690,641,102.70-1,034,105,265.45-526,095,011.70

Finding the Fourth Proportional to 690,641,102.70, 1,034,105,265.45 and 526,095,011.70

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Solution

The fourth proportional to 690,641,102.70, 1,034,105,265.45 and 526,095,011.70 is: 787,728,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,641,102.70 : 1,034,105,265.45 = 526,095,011.70 : x
  2. Step 2: Convert to fraction form
    690,641,102.70/1,034,105,265.45 = 526,095,011.70/x
  3. Step 3: Cross multiply
    690,641,102.70x = 1,034,105,265.45 × 526,095,011.70
  4. Step 4: Simplify right side
    690,641,102.70x = 544,037,621,725,949,376
  5. Step 5: Solve for x
    x = 544,037,621,725,949,376/690,641,102.70
  6. Step 6: Final answer
    x = 787,728,415.81

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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.