Home / 1,295,918,286.84-1,787,708,389.25-787,145,612.01

Finding the Fourth Proportional to 1,295,918,286.84, 1,787,708,389.25 and 787,145,612.01

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Solution

The fourth proportional to 1,295,918,286.84, 1,787,708,389.25 and 787,145,612.01 is: 1,085,860,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,918,286.84 : 1,787,708,389.25 = 787,145,612.01 : x
  2. Step 2: Convert to fraction form
    1,295,918,286.84/1,787,708,389.25 = 787,145,612.01/x
  3. Step 3: Cross multiply
    1,295,918,286.84x = 1,787,708,389.25 × 787,145,612.01
  4. Step 4: Simplify right side
    1,295,918,286.84x = 1,407,186,814,146,866,688
  5. Step 5: Solve for x
    x = 1,407,186,814,146,866,688/1,295,918,286.84
  6. Step 6: Final answer
    x = 1,085,860,758.69

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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.