Home / 751,248,007.60-1,126,872,011.40-205,988,666.80

Finding the Fourth Proportional to 751,248,007.60, 1,126,872,011.40 and 205,988,666.80

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Solution

The fourth proportional to 751,248,007.60, 1,126,872,011.40 and 205,988,666.80 is: 308,983,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,248,007.60 : 1,126,872,011.40 = 205,988,666.80 : x
  2. Step 2: Convert to fraction form
    751,248,007.60/1,126,872,011.40 = 205,988,666.80/x
  3. Step 3: Cross multiply
    751,248,007.60x = 1,126,872,011.40 × 205,988,666.80
  4. Step 4: Simplify right side
    751,248,007.60x = 232,122,863,282,520,448
  5. Step 5: Solve for x
    x = 232,122,863,282,520,448/751,248,007.60
  6. Step 6: Final answer
    x = 308,983,000.20

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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.