Home / 641,950,824,811.05-885,892,708,122.48-352,924,001,626.10

Finding the Fourth Proportional to 641,950,824,811.05, 885,892,708,122.48 and 352,924,001,626.10

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Solution

The fourth proportional to 641,950,824,811.05, 885,892,708,122.48 and 352,924,001,626.10 is: 487,035,435,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,950,824,811.05 : 885,892,708,122.48 = 352,924,001,626.10 : x
  2. Step 2: Convert to fraction form
    641,950,824,811.05/885,892,708,122.48 = 352,924,001,626.10/x
  3. Step 3: Cross multiply
    641,950,824,811.05x = 885,892,708,122.48 × 352,924,001,626.10
  4. Step 4: Simplify right side
    641,950,824,811.05x = 312,652,799,561,968,264,413,184
  5. Step 5: Solve for x
    x = 312,652,799,561,968,264,413,184/641,950,824,811.05
  6. Step 6: Final answer
    x = 487,035,435,547.57

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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.