Home / 1,051,731,988,808.10-1,578,618,136,080-507,563,441,121.72

Finding the Fourth Proportional to 1,051,731,988,808.10, 1,578,618,136,080 and 507,563,441,121.72

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Solution

The fourth proportional to 1,051,731,988,808.10, 1,578,618,136,080 and 507,563,441,121.72 is: 761,837,485,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,731,988,808.10 : 1,578,618,136,080 = 507,563,441,121.72 : x
  2. Step 2: Convert to fraction form
    1,051,731,988,808.10/1,578,618,136,080 = 507,563,441,121.72/x
  3. Step 3: Cross multiply
    1,051,731,988,808.10x = 1,578,618,136,080 × 507,563,441,121.72
  4. Step 4: Simplify right side
    1,051,731,988,808.10x = 801,248,853,365,920,393,854,976
  5. Step 5: Solve for x
    x = 801,248,853,365,920,393,854,976/1,051,731,988,808.10
  6. Step 6: Final answer
    x = 761,837,485,112.49

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.