Home / 847,537,506.80-1,270,620,209.02-264,971,882.60

Finding the Fourth Proportional to 847,537,506.80, 1,270,620,209.02 and 264,971,882.60

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Solution

The fourth proportional to 847,537,506.80, 1,270,620,209.02 and 264,971,882.60 is: 397,243,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,537,506.80 : 1,270,620,209.02 = 264,971,882.60 : x
  2. Step 2: Convert to fraction form
    847,537,506.80/1,270,620,209.02 = 264,971,882.60/x
  3. Step 3: Cross multiply
    847,537,506.80x = 1,270,620,209.02 × 264,971,882.60
  4. Step 4: Simplify right side
    847,537,506.80x = 336,678,628,853,634,880
  5. Step 5: Solve for x
    x = 336,678,628,853,634,880/847,537,506.80
  6. Step 6: Final answer
    x = 397,243,338.68

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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.