Home / 268,779,312,811.26-370,915,600,497-145,180,451,559.78

Finding the Fourth Proportional to 268,779,312,811.26, 370,915,600,497 and 145,180,451,559.78

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Solution

The fourth proportional to 268,779,312,811.26, 370,915,600,497 and 145,180,451,559.78 is: 200,349,103,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779,312,811.26 : 370,915,600,497 = 145,180,451,559.78 : x
  2. Step 2: Convert to fraction form
    268,779,312,811.26/370,915,600,497 = 145,180,451,559.78/x
  3. Step 3: Cross multiply
    268,779,312,811.26x = 370,915,600,497 × 145,180,451,559.78
  4. Step 4: Simplify right side
    268,779,312,811.26x = 53,849,694,370,721,421,066,240
  5. Step 5: Solve for x
    x = 53,849,694,370,721,421,066,240/268,779,312,811.26
  6. Step 6: Final answer
    x = 200,349,103,535.86

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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.