Home / 256,656,525,632.12-354,222,837,407.40-153,777,708,166.52

Finding the Fourth Proportional to 256,656,525,632.12, 354,222,837,407.40 and 153,777,708,166.52

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Solution

The fourth proportional to 256,656,525,632.12, 354,222,837,407.40 and 153,777,708,166.52 is: 212,235,305,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,656,525,632.12 : 354,222,837,407.40 = 153,777,708,166.52 : x
  2. Step 2: Convert to fraction form
    256,656,525,632.12/354,222,837,407.40 = 153,777,708,166.52/x
  3. Step 3: Cross multiply
    256,656,525,632.12x = 354,222,837,407.40 × 153,777,708,166.52
  4. Step 4: Simplify right side
    256,656,525,632.12x = 54,471,576,116,751,818,031,104
  5. Step 5: Solve for x
    x = 54,471,576,116,751,818,031,104/256,656,525,632.12
  6. Step 6: Final answer
    x = 212,235,305,463.57

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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.