Home / 1,180,814,339.61-1,771,228,130.69-393,865,832.00

Finding the Fourth Proportional to 1,180,814,339.61, 1,771,228,130.69 and 393,865,832.00

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Solution

The fourth proportional to 1,180,814,339.61, 1,771,228,130.69 and 393,865,832.00 is: 590,800,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,814,339.61 : 1,771,228,130.69 = 393,865,832.00 : x
  2. Step 2: Convert to fraction form
    1,180,814,339.61/1,771,228,130.69 = 393,865,832.00/x
  3. Step 3: Cross multiply
    1,180,814,339.61x = 1,771,228,130.69 × 393,865,832.00
  4. Step 4: Simplify right side
    1,180,814,339.61x = 697,626,241,361,434,368
  5. Step 5: Solve for x
    x = 697,626,241,361,434,368/1,180,814,339.61
  6. Step 6: Final answer
    x = 590,800,956.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.