Home / 785,164,078,288.50-1,178,103,969,707.20-402,976,541,965.84

Finding the Fourth Proportional to 785,164,078,288.50, 1,178,103,969,707.20 and 402,976,541,965.84

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Solution

The fourth proportional to 785,164,078,288.50, 1,178,103,969,707.20 and 402,976,541,965.84 is: 604,648,476,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,164,078,288.50 : 1,178,103,969,707.20 = 402,976,541,965.84 : x
  2. Step 2: Convert to fraction form
    785,164,078,288.50/1,178,103,969,707.20 = 402,976,541,965.84/x
  3. Step 3: Cross multiply
    785,164,078,288.50x = 1,178,103,969,707.20 × 402,976,541,965.84
  4. Step 4: Simplify right side
    785,164,078,288.50x = 474,748,263,788,836,168,925,184
  5. Step 5: Solve for x
    x = 474,748,263,788,836,168,925,184/785,164,078,288.50
  6. Step 6: Final answer
    x = 604,648,476,562.62

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Double scale
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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.