Home / 1,329,696,001.40-1,994,544,002.10-1,291,432,249.40

Finding the Fourth Proportional to 1,329,696,001.40, 1,994,544,002.10 and 1,291,432,249.40

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Solution

The fourth proportional to 1,329,696,001.40, 1,994,544,002.10 and 1,291,432,249.40 is: 1,937,148,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,001.40 : 1,994,544,002.10 = 1,291,432,249.40 : x
  2. Step 2: Convert to fraction form
    1,329,696,001.40/1,994,544,002.10 = 1,291,432,249.40/x
  3. Step 3: Cross multiply
    1,329,696,001.40x = 1,994,544,002.10 × 1,291,432,249.40
  4. Step 4: Simplify right side
    1,329,696,001.40x = 2,575,818,447,159,281,152
  5. Step 5: Solve for x
    x = 2,575,818,447,159,281,152/1,329,696,001.40
  6. Step 6: Final answer
    x = 1,937,148,374.10

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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.