Home / 268,779,312,805.86-370,915,600,489.56-145,180,451,554.38

Finding the Fourth Proportional to 268,779,312,805.86, 370,915,600,489.56 and 145,180,451,554.38

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Solution

The fourth proportional to 268,779,312,805.86, 370,915,600,489.56 and 145,180,451,554.38 is: 200,349,103,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779,312,805.86 : 370,915,600,489.56 = 145,180,451,554.38 : x
  2. Step 2: Convert to fraction form
    268,779,312,805.86/370,915,600,489.56 = 145,180,451,554.38/x
  3. Step 3: Cross multiply
    268,779,312,805.86x = 370,915,600,489.56 × 145,180,451,554.38
  4. Step 4: Simplify right side
    268,779,312,805.86x = 53,849,694,367,638,330,802,176
  5. Step 5: Solve for x
    x = 53,849,694,367,638,330,802,176/268,779,312,805.86
  6. Step 6: Final answer
    x = 200,349,103,528.42

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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.