Home / 605,556,053.70-908,334,080.55-398,931,792.90

Finding the Fourth Proportional to 605,556,053.70, 908,334,080.55 and 398,931,792.90

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Solution

The fourth proportional to 605,556,053.70, 908,334,080.55 and 398,931,792.90 is: 598,397,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,556,053.70 : 908,334,080.55 = 398,931,792.90 : x
  2. Step 2: Convert to fraction form
    605,556,053.70/908,334,080.55 = 398,931,792.90/x
  3. Step 3: Cross multiply
    605,556,053.70x = 908,334,080.55 × 398,931,792.90
  4. Step 4: Simplify right side
    605,556,053.70x = 362,363,343,305,984,448
  5. Step 5: Solve for x
    x = 362,363,343,305,984,448/605,556,053.70
  6. Step 6: Final answer
    x = 598,397,689.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.