Home / 992,137,459.40-1,369,138,828.65-546,091,286.12

Finding the Fourth Proportional to 992,137,459.40, 1,369,138,828.65 and 546,091,286.12

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Solution

The fourth proportional to 992,137,459.40, 1,369,138,828.65 and 546,091,286.12 is: 753,599,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,137,459.40 : 1,369,138,828.65 = 546,091,286.12 : x
  2. Step 2: Convert to fraction form
    992,137,459.40/1,369,138,828.65 = 546,091,286.12/x
  3. Step 3: Cross multiply
    992,137,459.40x = 1,369,138,828.65 × 546,091,286.12
  4. Step 4: Simplify right side
    992,137,459.40x = 747,674,783,807,463,168
  5. Step 5: Solve for x
    x = 747,674,783,807,463,168/992,137,459.40
  6. Step 6: Final answer
    x = 753,599,994.36

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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.