Home / 827,457,990.40-1,241,186,985.60-366,907,283.20

Finding the Fourth Proportional to 827,457,990.40, 1,241,186,985.60 and 366,907,283.20

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Solution

The fourth proportional to 827,457,990.40, 1,241,186,985.60 and 366,907,283.20 is: 550,360,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,457,990.40 : 1,241,186,985.60 = 366,907,283.20 : x
  2. Step 2: Convert to fraction form
    827,457,990.40/1,241,186,985.60 = 366,907,283.20/x
  3. Step 3: Cross multiply
    827,457,990.40x = 1,241,186,985.60 × 366,907,283.20
  4. Step 4: Simplify right side
    827,457,990.40x = 455,400,544,829,693,504
  5. Step 5: Solve for x
    x = 455,400,544,829,693,504/827,457,990.40
  6. Step 6: Final answer
    x = 550,360,924.80

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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.