Home / 758,504,573.10-1,046,821,259.80-428,500,969.74

Finding the Fourth Proportional to 758,504,573.10, 1,046,821,259.80 and 428,500,969.74

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Solution

The fourth proportional to 758,504,573.10, 1,046,821,259.80 and 428,500,969.74 is: 591,379,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,504,573.10 : 1,046,821,259.80 = 428,500,969.74 : x
  2. Step 2: Convert to fraction form
    758,504,573.10/1,046,821,259.80 = 428,500,969.74/x
  3. Step 3: Cross multiply
    758,504,573.10x = 1,046,821,259.80 × 428,500,969.74
  4. Step 4: Simplify right side
    758,504,573.10x = 448,563,924,968,748,480
  5. Step 5: Solve for x
    x = 448,563,924,968,748,480/758,504,573.10
  6. Step 6: Final answer
    x = 591,379,328.32

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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.