Home / 1,508,500,894.35-2,081,912,461.10-913,767,928.47

Finding the Fourth Proportional to 1,508,500,894.35, 2,081,912,461.10 and 913,767,928.47

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Solution

The fourth proportional to 1,508,500,894.35, 2,081,912,461.10 and 913,767,928.47 is: 1,261,109,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,500,894.35 : 2,081,912,461.10 = 913,767,928.47 : x
  2. Step 2: Convert to fraction form
    1,508,500,894.35/2,081,912,461.10 = 913,767,928.47/x
  3. Step 3: Cross multiply
    1,508,500,894.35x = 2,081,912,461.10 × 913,767,928.47
  4. Step 4: Simplify right side
    1,508,500,894.35x = 1,902,384,836,830,657,792
  5. Step 5: Solve for x
    x = 1,902,384,836,830,657,792/1,508,500,894.35
  6. Step 6: Final answer
    x = 1,261,109,518.70

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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.