Home / 550,439,512.76-759,606,307.86-302,920,867.16

Finding the Fourth Proportional to 550,439,512.76, 759,606,307.86 and 302,920,867.16

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Solution

The fourth proportional to 550,439,512.76, 759,606,307.86 and 302,920,867.16 is: 418,030,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,439,512.76 : 759,606,307.86 = 302,920,867.16 : x
  2. Step 2: Convert to fraction form
    550,439,512.76/759,606,307.86 = 302,920,867.16/x
  3. Step 3: Cross multiply
    550,439,512.76x = 759,606,307.86 × 302,920,867.16
  4. Step 4: Simplify right side
    550,439,512.76x = 230,100,601,477,157,152
  5. Step 5: Solve for x
    x = 230,100,601,477,157,152/550,439,512.76
  6. Step 6: Final answer
    x = 418,030,675.75

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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.