Home / 785,164,078,303.75-1,178,103,969,730.10-402,976,541,981.10

Finding the Fourth Proportional to 785,164,078,303.75, 1,178,103,969,730.10 and 402,976,541,981.10

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Solution

The fourth proportional to 785,164,078,303.75, 1,178,103,969,730.10 and 402,976,541,981.10 is: 604,648,476,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,164,078,303.75 : 1,178,103,969,730.10 = 402,976,541,981.10 : x
  2. Step 2: Convert to fraction form
    785,164,078,303.75/1,178,103,969,730.10 = 402,976,541,981.10/x
  3. Step 3: Cross multiply
    785,164,078,303.75x = 1,178,103,969,730.10 × 402,976,541,981.10
  4. Step 4: Simplify right side
    785,164,078,303.75x = 474,748,263,816,042,236,608,512
  5. Step 5: Solve for x
    x = 474,748,263,816,042,236,608,512/785,164,078,303.75
  6. Step 6: Final answer
    x = 604,648,476,585.53

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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.