Home / 310,681,803,179.46-428,678,706,999.51-173,483,519,436.01

Finding the Fourth Proportional to 310,681,803,179.46, 428,678,706,999.51 and 173,483,519,436.01

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Solution

The fourth proportional to 310,681,803,179.46, 428,678,706,999.51 and 173,483,519,436.01 is: 239,372,534,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,681,803,179.46 : 428,678,706,999.51 = 173,483,519,436.01 : x
  2. Step 2: Convert to fraction form
    310,681,803,179.46/428,678,706,999.51 = 173,483,519,436.01/x
  3. Step 3: Cross multiply
    310,681,803,179.46x = 428,678,706,999.51 × 173,483,519,436.01
  4. Step 4: Simplify right side
    310,681,803,179.46x = 74,368,690,797,553,138,008,064
  5. Step 5: Solve for x
    x = 74,368,690,797,553,138,008,064/310,681,803,179.46
  6. Step 6: Final answer
    x = 239,372,534,974.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.