Home / 977,967,917.37-1,349,605,462.50-531,941,656.68

Finding the Fourth Proportional to 977,967,917.37, 1,349,605,462.50 and 531,941,656.68

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Solution

The fourth proportional to 977,967,917.37, 1,349,605,462.50 and 531,941,656.68 is: 734,084,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,967,917.37 : 1,349,605,462.50 = 531,941,656.68 : x
  2. Step 2: Convert to fraction form
    977,967,917.37/1,349,605,462.50 = 531,941,656.68/x
  3. Step 3: Cross multiply
    977,967,917.37x = 1,349,605,462.50 × 531,941,656.68
  4. Step 4: Simplify right side
    977,967,917.37x = 717,911,365,586,627,584
  5. Step 5: Solve for x
    x = 717,911,365,586,627,584/977,967,917.37
  6. Step 6: Final answer
    x = 734,084,782.16

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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.