Home / 56,428,163,020.76-77,870,877,679.34-31,053,634,352.54

Finding the Fourth Proportional to 56,428,163,020.76, 77,870,877,679.34 and 31,053,634,352.54

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Solution

The fourth proportional to 56,428,163,020.76, 77,870,877,679.34 and 31,053,634,352.54 is: 42,854,022,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428,163,020.76 : 77,870,877,679.34 = 31,053,634,352.54 : x
  2. Step 2: Convert to fraction form
    56,428,163,020.76/77,870,877,679.34 = 31,053,634,352.54/x
  3. Step 3: Cross multiply
    56,428,163,020.76x = 77,870,877,679.34 × 31,053,634,352.54
  4. Step 4: Simplify right side
    56,428,163,020.76x = 2,418,173,762,165,966,110,720
  5. Step 5: Solve for x
    x = 2,418,173,762,165,966,110,720/56,428,163,020.76
  6. Step 6: Final answer
    x = 42,854,022,401.48

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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.