Home / 690,682,715,026.90-953,078,182,690.35-382,027,430,956.76

Finding the Fourth Proportional to 690,682,715,026.90, 953,078,182,690.35 and 382,027,430,956.76

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Solution

The fourth proportional to 690,682,715,026.90, 953,078,182,690.35 and 382,027,430,956.76 is: 527,162,475,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,682,715,026.90 : 953,078,182,690.35 = 382,027,430,956.76 : x
  2. Step 2: Convert to fraction form
    690,682,715,026.90/953,078,182,690.35 = 382,027,430,956.76/x
  3. Step 3: Cross multiply
    690,682,715,026.90x = 953,078,182,690.35 × 382,027,430,956.76
  4. Step 4: Simplify right side
    690,682,715,026.90x = 364,102,009,634,131,984,515,072
  5. Step 5: Solve for x
    x = 364,102,009,634,131,984,515,072/690,682,715,026.90
  6. Step 6: Final answer
    x = 527,162,475,203.90

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Double scale
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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.