Home / 268,779,296,245.40-370,915,577,614.21-145,180,434,926.25

Finding the Fourth Proportional to 268,779,296,245.40, 370,915,577,614.21 and 145,180,434,926.25

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Solution

The fourth proportional to 268,779,296,245.40, 370,915,577,614.21 and 145,180,434,926.25 is: 200,349,080,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779,296,245.40 : 370,915,577,614.21 = 145,180,434,926.25 : x
  2. Step 2: Convert to fraction form
    268,779,296,245.40/370,915,577,614.21 = 145,180,434,926.25/x
  3. Step 3: Cross multiply
    268,779,296,245.40x = 370,915,577,614.21 × 145,180,434,926.25
  4. Step 4: Simplify right side
    268,779,296,245.40x = 53,849,684,878,952,245,493,760
  5. Step 5: Solve for x
    x = 53,849,684,878,952,245,493,760/268,779,296,245.40
  6. Step 6: Final answer
    x = 200,349,080,569.76

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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.