Home / 1,137,097,998.54-1,705,487,755.86-390,101,373

Finding the Fourth Proportional to 1,137,097,998.54, 1,705,487,755.86 and 390,101,373

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Solution

The fourth proportional to 1,137,097,998.54, 1,705,487,755.86 and 390,101,373 is: 585,097,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,097,998.54 : 1,705,487,755.86 = 390,101,373 : x
  2. Step 2: Convert to fraction form
    1,137,097,998.54/1,705,487,755.86 = 390,101,373/x
  3. Step 3: Cross multiply
    1,137,097,998.54x = 1,705,487,755.86 × 390,101,373
  4. Step 4: Simplify right side
    1,137,097,998.54x = 665,313,115,195,674,752
  5. Step 5: Solve for x
    x = 665,313,115,195,674,752/1,137,097,998.54
  6. Step 6: Final answer
    x = 585,097,428.76

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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.