Home / 908,459,633.38-1,362,700,300.35-253,370,802.43

Finding the Fourth Proportional to 908,459,633.38, 1,362,700,300.35 and 253,370,802.43

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Solution

The fourth proportional to 908,459,633.38, 1,362,700,300.35 and 253,370,802.43 is: 380,059,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,459,633.38 : 1,362,700,300.35 = 253,370,802.43 : x
  2. Step 2: Convert to fraction form
    908,459,633.38/1,362,700,300.35 = 253,370,802.43/x
  3. Step 3: Cross multiply
    908,459,633.38x = 1,362,700,300.35 × 253,370,802.43
  4. Step 4: Simplify right side
    908,459,633.38x = 345,268,468,571,281,472
  5. Step 5: Solve for x
    x = 345,268,468,571,281,472/908,459,633.38
  6. Step 6: Final answer
    x = 380,059,229.80

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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.