Home / 716,916,856.80-1,075,375,285.20-494,987,095.20

Finding the Fourth Proportional to 716,916,856.80, 1,075,375,285.20 and 494,987,095.20

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Solution

The fourth proportional to 716,916,856.80, 1,075,375,285.20 and 494,987,095.20 is: 742,480,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,916,856.80 : 1,075,375,285.20 = 494,987,095.20 : x
  2. Step 2: Convert to fraction form
    716,916,856.80/1,075,375,285.20 = 494,987,095.20/x
  3. Step 3: Cross multiply
    716,916,856.80x = 1,075,375,285.20 × 494,987,095.20
  4. Step 4: Simplify right side
    716,916,856.80x = 532,296,888,671,019,584
  5. Step 5: Solve for x
    x = 532,296,888,671,019,584/716,916,856.80
  6. Step 6: Final answer
    x = 742,480,642.80

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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.