Home / 846,877,409.51-1,269,822,870.54-328,702,505.49

Finding the Fourth Proportional to 846,877,409.51, 1,269,822,870.54 and 328,702,505.49

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Solution

The fourth proportional to 846,877,409.51, 1,269,822,870.54 and 328,702,505.49 is: 492,862,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,877,409.51 : 1,269,822,870.54 = 328,702,505.49 : x
  2. Step 2: Convert to fraction form
    846,877,409.51/1,269,822,870.54 = 328,702,505.49/x
  3. Step 3: Cross multiply
    846,877,409.51x = 1,269,822,870.54 × 328,702,505.49
  4. Step 4: Simplify right side
    846,877,409.51x = 417,393,959,075,001,920
  5. Step 5: Solve for x
    x = 417,393,959,075,001,920/846,877,409.51
  6. Step 6: Final answer
    x = 492,862,313.23

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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.