Home / 883,445,911.25-1,219,209,903.92-486,968,007.92

Finding the Fourth Proportional to 883,445,911.25, 1,219,209,903.92 and 486,968,007.92

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Solution

The fourth proportional to 883,445,911.25, 1,219,209,903.92 and 486,968,007.92 is: 672,045,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,445,911.25 : 1,219,209,903.92 = 486,968,007.92 : x
  2. Step 2: Convert to fraction form
    883,445,911.25/1,219,209,903.92 = 486,968,007.92/x
  3. Step 3: Cross multiply
    883,445,911.25x = 1,219,209,903.92 × 486,968,007.92
  4. Step 4: Simplify right side
    883,445,911.25x = 593,716,218,143,378,304
  5. Step 5: Solve for x
    x = 593,716,218,143,378,304/883,445,911.25
  6. Step 6: Final answer
    x = 672,045,917.68

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1.5x scale

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.