Home / 231,505,547,147.78-347,219,804,550.64-70,118,583,468.21

Finding the Fourth Proportional to 231,505,547,147.78, 347,219,804,550.64 and 70,118,583,468.21

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Solution

The fourth proportional to 231,505,547,147.78, 347,219,804,550.64 and 70,118,583,468.21 is: 105,166,209,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,505,547,147.78 : 347,219,804,550.64 = 70,118,583,468.21 : x
  2. Step 2: Convert to fraction form
    231,505,547,147.78/347,219,804,550.64 = 70,118,583,468.21/x
  3. Step 3: Cross multiply
    231,505,547,147.78x = 347,219,804,550.64 × 70,118,583,468.21
  4. Step 4: Simplify right side
    231,505,547,147.78x = 24,346,560,847,199,615,320,064
  5. Step 5: Solve for x
    x = 24,346,560,847,199,615,320,064/231,505,547,147.78
  6. Step 6: Final answer
    x = 105,166,209,393.93

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1.5x scale

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.