Home / 968,937,009.20-1,453,405,513.80-452,376,357.20

Finding the Fourth Proportional to 968,937,009.20, 1,453,405,513.80 and 452,376,357.20

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Solution

The fourth proportional to 968,937,009.20, 1,453,405,513.80 and 452,376,357.20 is: 678,564,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,937,009.20 : 1,453,405,513.80 = 452,376,357.20 : x
  2. Step 2: Convert to fraction form
    968,937,009.20/1,453,405,513.80 = 452,376,357.20/x
  3. Step 3: Cross multiply
    968,937,009.20x = 1,453,405,513.80 × 452,376,357.20
  4. Step 4: Simplify right side
    968,937,009.20x = 657,486,291,867,238,272
  5. Step 5: Solve for x
    x = 657,486,291,867,238,272/968,937,009.20
  6. Step 6: Final answer
    x = 678,564,535.80

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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.