Home / 645,160,001.80-967,740,002.70-160,485,809.80

Finding the Fourth Proportional to 645,160,001.80, 967,740,002.70 and 160,485,809.80

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Solution

The fourth proportional to 645,160,001.80, 967,740,002.70 and 160,485,809.80 is: 240,728,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,160,001.80 : 967,740,002.70 = 160,485,809.80 : x
  2. Step 2: Convert to fraction form
    645,160,001.80/967,740,002.70 = 160,485,809.80/x
  3. Step 3: Cross multiply
    645,160,001.80x = 967,740,002.70 × 160,485,809.80
  4. Step 4: Simplify right side
    645,160,001.80x = 155,308,538,009,163,712
  5. Step 5: Solve for x
    x = 155,308,538,009,163,712/645,160,001.80
  6. Step 6: Final answer
    x = 240,728,714.70

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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.