Home / 840,121,055.49-1,159,385,615.46-463,776,751.83

Finding the Fourth Proportional to 840,121,055.49, 1,159,385,615.46 and 463,776,751.83

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Solution

The fourth proportional to 840,121,055.49, 1,159,385,615.46 and 463,776,751.83 is: 640,022,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,121,055.49 : 1,159,385,615.46 = 463,776,751.83 : x
  2. Step 2: Convert to fraction form
    840,121,055.49/1,159,385,615.46 = 463,776,751.83/x
  3. Step 3: Cross multiply
    840,121,055.49x = 1,159,385,615.46 × 463,776,751.83
  4. Step 4: Simplify right side
    840,121,055.49x = 537,696,094,856,464,256
  5. Step 5: Solve for x
    x = 537,696,094,856,464,256/840,121,055.49
  6. Step 6: Final answer
    x = 640,022,162.69

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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.