Home / 56,428,162,907.36-77,870,877,523.16-31,053,634,239.13

Finding the Fourth Proportional to 56,428,162,907.36, 77,870,877,523.16 and 31,053,634,239.13

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Solution

The fourth proportional to 56,428,162,907.36, 77,870,877,523.16 and 31,053,634,239.13 is: 42,854,022,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428,162,907.36 : 77,870,877,523.16 = 31,053,634,239.13 : x
  2. Step 2: Convert to fraction form
    56,428,162,907.36/77,870,877,523.16 = 31,053,634,239.13/x
  3. Step 3: Cross multiply
    56,428,162,907.36x = 77,870,877,523.16 × 31,053,634,239.13
  4. Step 4: Simplify right side
    56,428,162,907.36x = 2,418,173,748,484,486,725,632
  5. Step 5: Solve for x
    x = 2,418,173,748,484,486,725,632/56,428,162,907.36
  6. Step 6: Final answer
    x = 42,854,022,245.14

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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.