Home / 1,651,271,541.40-2,278,755,051.78-908,715,608.20

Finding the Fourth Proportional to 1,651,271,541.40, 2,278,755,051.78 and 908,715,608.20

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Solution

The fourth proportional to 1,651,271,541.40, 2,278,755,051.78 and 908,715,608.20 is: 1,254,027,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,271,541.40 : 2,278,755,051.78 = 908,715,608.20 : x
  2. Step 2: Convert to fraction form
    1,651,271,541.40/2,278,755,051.78 = 908,715,608.20/x
  3. Step 3: Cross multiply
    1,651,271,541.40x = 2,278,755,051.78 × 908,715,608.20
  4. Step 4: Simplify right side
    1,651,271,541.40x = 2,070,740,282,817,085,440
  5. Step 5: Solve for x
    x = 2,070,740,282,817,085,440/1,651,271,541.40
  6. Step 6: Final answer
    x = 1,254,027,717.97

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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.