Home / 1,362,155,715.09-2,043,039,562.95-429,357,336.66

Finding the Fourth Proportional to 1,362,155,715.09, 2,043,039,562.95 and 429,357,336.66

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Solution

The fourth proportional to 1,362,155,715.09, 2,043,039,562.95 and 429,357,336.66 is: 643,974,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,155,715.09 : 2,043,039,562.95 = 429,357,336.66 : x
  2. Step 2: Convert to fraction form
    1,362,155,715.09/2,043,039,562.95 = 429,357,336.66/x
  3. Step 3: Cross multiply
    1,362,155,715.09x = 2,043,039,562.95 × 429,357,336.66
  4. Step 4: Simplify right side
    1,362,155,715.09x = 877,194,025,439,222,528
  5. Step 5: Solve for x
    x = 877,194,025,439,222,528/1,362,155,715.09
  6. Step 6: Final answer
    x = 643,974,852.30

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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.