Home / 698,533,614.10-1,047,800,421.15-664,521,390.10

Finding the Fourth Proportional to 698,533,614.10, 1,047,800,421.15 and 664,521,390.10

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Solution

The fourth proportional to 698,533,614.10, 1,047,800,421.15 and 664,521,390.10 is: 996,782,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,533,614.10 : 1,047,800,421.15 = 664,521,390.10 : x
  2. Step 2: Convert to fraction form
    698,533,614.10/1,047,800,421.15 = 664,521,390.10/x
  3. Step 3: Cross multiply
    698,533,614.10x = 1,047,800,421.15 × 664,521,390.10
  4. Step 4: Simplify right side
    698,533,614.10x = 696,285,792,409,963,392
  5. Step 5: Solve for x
    x = 696,285,792,409,963,392/698,533,614.10
  6. Step 6: Final answer
    x = 996,782,085.15

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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.