Home / 1,213,502,959.14-1,674,622,161.45-656,573,786.34

Finding the Fourth Proportional to 1,213,502,959.14, 1,674,622,161.45 and 656,573,786.34

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Solution

The fourth proportional to 1,213,502,959.14, 1,674,622,161.45 and 656,573,786.34 is: 906,065,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,502,959.14 : 1,674,622,161.45 = 656,573,786.34 : x
  2. Step 2: Convert to fraction form
    1,213,502,959.14/1,674,622,161.45 = 656,573,786.34/x
  3. Step 3: Cross multiply
    1,213,502,959.14x = 1,674,622,161.45 × 656,573,786.34
  4. Step 4: Simplify right side
    1,213,502,959.14x = 1,099,513,013,232,101,376
  5. Step 5: Solve for x
    x = 1,099,513,013,232,101,376/1,213,502,959.14
  6. Step 6: Final answer
    x = 906,065,374.58

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Half scale
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Double scale
Find fourth proportional to 1,213,502,960.14, 1,674,622,162.83 and 656,573,787.34
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1.5x scale

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.