Home / 1,186,176,002.80-1,779,264,004.20-368,370,972.40

Finding the Fourth Proportional to 1,186,176,002.80, 1,779,264,004.20 and 368,370,972.40

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Solution

The fourth proportional to 1,186,176,002.80, 1,779,264,004.20 and 368,370,972.40 is: 552,556,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,176,002.80 : 1,779,264,004.20 = 368,370,972.40 : x
  2. Step 2: Convert to fraction form
    1,186,176,002.80/1,779,264,004.20 = 368,370,972.40/x
  3. Step 3: Cross multiply
    1,186,176,002.80x = 1,779,264,004.20 × 368,370,972.40
  4. Step 4: Simplify right side
    1,186,176,002.80x = 655,429,211,383,471,616
  5. Step 5: Solve for x
    x = 655,429,211,383,471,616/1,186,176,002.80
  6. Step 6: Final answer
    x = 552,556,458.60

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Similar ratio
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1.5x scale

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.