Home / 702,036,447.60-1,053,054,671.40-339,239,391.60

Finding the Fourth Proportional to 702,036,447.60, 1,053,054,671.40 and 339,239,391.60

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Solution

The fourth proportional to 702,036,447.60, 1,053,054,671.40 and 339,239,391.60 is: 508,859,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,036,447.60 : 1,053,054,671.40 = 339,239,391.60 : x
  2. Step 2: Convert to fraction form
    702,036,447.60/1,053,054,671.40 = 339,239,391.60/x
  3. Step 3: Cross multiply
    702,036,447.60x = 1,053,054,671.40 × 339,239,391.60
  4. Step 4: Simplify right side
    702,036,447.60x = 357,237,626,047,273,920
  5. Step 5: Solve for x
    x = 357,237,626,047,273,920/702,036,447.60
  6. Step 6: Final answer
    x = 508,859,087.40

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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.