Home / 56,695,632,805.17-78,240,004,657.69-30,623,997,995.66

Finding the Fourth Proportional to 56,695,632,805.17, 78,240,004,657.69 and 30,623,997,995.66

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Solution

The fourth proportional to 56,695,632,805.17, 78,240,004,657.69 and 30,623,997,995.66 is: 42,261,134,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695,632,805.17 : 78,240,004,657.69 = 30,623,997,995.66 : x
  2. Step 2: Convert to fraction form
    56,695,632,805.17/78,240,004,657.69 = 30,623,997,995.66/x
  3. Step 3: Cross multiply
    56,695,632,805.17x = 78,240,004,657.69 × 30,623,997,995.66
  4. Step 4: Simplify right side
    56,695,632,805.17x = 2,396,021,745,817,374,162,944
  5. Step 5: Solve for x
    x = 2,396,021,745,817,374,162,944/56,695,632,805.17
  6. Step 6: Final answer
    x = 42,261,134,187.38

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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.