Home / 828,648,925,139.34-1,143,523,446,111-462,848,333,618.70

Finding the Fourth Proportional to 828,648,925,139.34, 1,143,523,446,111 and 462,848,333,618.70

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Solution

The fourth proportional to 828,648,925,139.34, 1,143,523,446,111 and 462,848,333,618.70 is: 638,723,958,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,648,925,139.34 : 1,143,523,446,111 = 462,848,333,618.70 : x
  2. Step 2: Convert to fraction form
    828,648,925,139.34/1,143,523,446,111 = 462,848,333,618.70/x
  3. Step 3: Cross multiply
    828,648,925,139.34x = 1,143,523,446,111 × 462,848,333,618.70
  4. Step 4: Simplify right side
    828,648,925,139.34x = 529,277,921,486,389,645,410,304
  5. Step 5: Solve for x
    x = 529,277,921,486,389,645,410,304/828,648,925,139.34
  6. Step 6: Final answer
    x = 638,723,958,276.29

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Double scale
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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.