Home / 690,641,098.20-1,034,105,258.70-526,095,007.20

Finding the Fourth Proportional to 690,641,098.20, 1,034,105,258.70 and 526,095,007.20

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Solution

The fourth proportional to 690,641,098.20, 1,034,105,258.70 and 526,095,007.20 is: 787,728,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,641,098.20 : 1,034,105,258.70 = 526,095,007.20 : x
  2. Step 2: Convert to fraction form
    690,641,098.20/1,034,105,258.70 = 526,095,007.20/x
  3. Step 3: Cross multiply
    690,641,098.20x = 1,034,105,258.70 × 526,095,007.20
  4. Step 4: Simplify right side
    690,641,098.20x = 544,037,613,521,334,400
  5. Step 5: Solve for x
    x = 544,037,613,521,334,400/690,641,098.20
  6. Step 6: Final answer
    x = 787,728,409.07

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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.