Home / 1,176,923,055.12-1,624,133,973.90-648,336,486.48

Finding the Fourth Proportional to 1,176,923,055.12, 1,624,133,973.90 and 648,336,486.48

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Solution

The fourth proportional to 1,176,923,055.12, 1,624,133,973.90 and 648,336,486.48 is: 894,693,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,923,055.12 : 1,624,133,973.90 = 648,336,486.48 : x
  2. Step 2: Convert to fraction form
    1,176,923,055.12/1,624,133,973.90 = 648,336,486.48/x
  3. Step 3: Cross multiply
    1,176,923,055.12x = 1,624,133,973.90 × 648,336,486.48
  4. Step 4: Simplify right side
    1,176,923,055.12x = 1,052,985,314,211,126,144
  5. Step 5: Solve for x
    x = 1,052,985,314,211,126,144/1,176,923,055.12
  6. Step 6: Final answer
    x = 894,693,420.81

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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.