Home / 1,362,155,716.09-2,043,039,564.45-429,357,337.66

Finding the Fourth Proportional to 1,362,155,716.09, 2,043,039,564.45 and 429,357,337.66

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Solution

The fourth proportional to 1,362,155,716.09, 2,043,039,564.45 and 429,357,337.66 is: 643,974,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,155,716.09 : 2,043,039,564.45 = 429,357,337.66 : x
  2. Step 2: Convert to fraction form
    1,362,155,716.09/2,043,039,564.45 = 429,357,337.66/x
  3. Step 3: Cross multiply
    1,362,155,716.09x = 2,043,039,564.45 × 429,357,337.66
  4. Step 4: Simplify right side
    1,362,155,716.09x = 877,194,028,126,298,112
  5. Step 5: Solve for x
    x = 877,194,028,126,298,112/1,362,155,716.09
  6. Step 6: Final answer
    x = 643,974,853.80

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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.