Home / 1,994,553,111.60-2,991,829,667.40-961,431,807.60

Finding the Fourth Proportional to 1,994,553,111.60, 2,991,829,667.40 and 961,431,807.60

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Solution

The fourth proportional to 1,994,553,111.60, 2,991,829,667.40 and 961,431,807.60 is: 1,442,147,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,553,111.60 : 2,991,829,667.40 = 961,431,807.60 : x
  2. Step 2: Convert to fraction form
    1,994,553,111.60/2,991,829,667.40 = 961,431,807.60/x
  3. Step 3: Cross multiply
    1,994,553,111.60x = 2,991,829,667.40 × 961,431,807.60
  4. Step 4: Simplify right side
    1,994,553,111.60x = 2,876,440,205,159,688,704
  5. Step 5: Solve for x
    x = 2,876,440,205,159,688,704/1,994,553,111.60
  6. Step 6: Final answer
    x = 1,442,147,711.40

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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.