Home / 1,362,155,712.08-2,043,039,558.47-429,357,333.65

Finding the Fourth Proportional to 1,362,155,712.08, 2,043,039,558.47 and 429,357,333.65

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Solution

The fourth proportional to 1,362,155,712.08, 2,043,039,558.47 and 429,357,333.65 is: 643,974,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,155,712.08 : 2,043,039,558.47 = 429,357,333.65 : x
  2. Step 2: Convert to fraction form
    1,362,155,712.08/2,043,039,558.47 = 429,357,333.65/x
  3. Step 3: Cross multiply
    1,362,155,712.08x = 2,043,039,558.47 × 429,357,333.65
  4. Step 4: Simplify right side
    1,362,155,712.08x = 877,194,017,353,790,464
  5. Step 5: Solve for x
    x = 877,194,017,353,790,464/1,362,155,712.08
  6. Step 6: Final answer
    x = 643,974,847.79

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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.