Home / 1,022,169,173.34-1,411,757,026.02-687,059,902.82

Finding the Fourth Proportional to 1,022,169,173.34, 1,411,757,026.02 and 687,059,902.82

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Solution

The fourth proportional to 1,022,169,173.34, 1,411,757,026.02 and 687,059,902.82 is: 948,924,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,169,173.34 : 1,411,757,026.02 = 687,059,902.82 : x
  2. Step 2: Convert to fraction form
    1,022,169,173.34/1,411,757,026.02 = 687,059,902.82/x
  3. Step 3: Cross multiply
    1,022,169,173.34x = 1,411,757,026.02 × 687,059,902.82
  4. Step 4: Simplify right side
    1,022,169,173.34x = 969,961,645,106,282,752
  5. Step 5: Solve for x
    x = 969,961,645,106,282,752/1,022,169,173.34
  6. Step 6: Final answer
    x = 948,924,767.45

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Double scale
Find fourth proportional to 1,022,169,174.34, 1,411,757,027.40 and 687,059,903.82
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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.