Home / 785,929,280.98-1,084,585,779.63-428,704,842.41

Finding the Fourth Proportional to 785,929,280.98, 1,084,585,779.63 and 428,704,842.41

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Solution

The fourth proportional to 785,929,280.98, 1,084,585,779.63 and 428,704,842.41 is: 591,614,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,929,280.98 : 1,084,585,779.63 = 428,704,842.41 : x
  2. Step 2: Convert to fraction form
    785,929,280.98/1,084,585,779.63 = 428,704,842.41/x
  3. Step 3: Cross multiply
    785,929,280.98x = 1,084,585,779.63 × 428,704,842.41
  4. Step 4: Simplify right side
    785,929,280.98x = 464,967,175,733,849,984
  5. Step 5: Solve for x
    x = 464,967,175,733,849,984/785,929,280.98
  6. Step 6: Final answer
    x = 591,614,521.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.