Home / 710,972,208.80-1,066,458,313.20-366,598,440.80

Finding the Fourth Proportional to 710,972,208.80, 1,066,458,313.20 and 366,598,440.80

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Solution

The fourth proportional to 710,972,208.80, 1,066,458,313.20 and 366,598,440.80 is: 549,897,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,972,208.80 : 1,066,458,313.20 = 366,598,440.80 : x
  2. Step 2: Convert to fraction form
    710,972,208.80/1,066,458,313.20 = 366,598,440.80/x
  3. Step 3: Cross multiply
    710,972,208.80x = 1,066,458,313.20 × 366,598,440.80
  4. Step 4: Simplify right side
    710,972,208.80x = 390,961,954,797,318,080
  5. Step 5: Solve for x
    x = 390,961,954,797,318,080/710,972,208.80
  6. Step 6: Final answer
    x = 549,897,661.20

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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.