Home / 788,297,261.80-1,087,803,480.18-435,845,590.60

Finding the Fourth Proportional to 788,297,261.80, 1,087,803,480.18 and 435,845,590.60

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Solution

The fourth proportional to 788,297,261.80, 1,087,803,480.18 and 435,845,590.60 is: 601,441,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,297,261.80 : 1,087,803,480.18 = 435,845,590.60 : x
  2. Step 2: Convert to fraction form
    788,297,261.80/1,087,803,480.18 = 435,845,590.60/x
  3. Step 3: Cross multiply
    788,297,261.80x = 1,087,803,480.18 × 435,845,590.60
  4. Step 4: Simplify right side
    788,297,261.80x = 474,114,350,275,787,520
  5. Step 5: Solve for x
    x = 474,114,350,275,787,520/788,297,261.80
  6. Step 6: Final answer
    x = 601,441,072.11

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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.