Home / 1,556,461,821.80-2,334,692,732.70-1,489,287,679.40

Finding the Fourth Proportional to 1,556,461,821.80, 2,334,692,732.70 and 1,489,287,679.40

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Solution

The fourth proportional to 1,556,461,821.80, 2,334,692,732.70 and 1,489,287,679.40 is: 2,233,931,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,461,821.80 : 2,334,692,732.70 = 1,489,287,679.40 : x
  2. Step 2: Convert to fraction form
    1,556,461,821.80/2,334,692,732.70 = 1,489,287,679.40/x
  3. Step 3: Cross multiply
    1,556,461,821.80x = 2,334,692,732.70 × 1,489,287,679.40
  4. Step 4: Simplify right side
    1,556,461,821.80x = 3,477,029,121,994,827,264
  5. Step 5: Solve for x
    x = 3,477,029,121,994,827,264/1,556,461,821.80
  6. Step 6: Final answer
    x = 2,233,931,519.10

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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.