Home / 714,523,301.78-1,071,666,075.58-216,415,389.17

Finding the Fourth Proportional to 714,523,301.78, 1,071,666,075.58 and 216,415,389.17

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Solution

The fourth proportional to 714,523,301.78, 1,071,666,075.58 and 216,415,389.17 is: 324,587,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,523,301.78 : 1,071,666,075.58 = 216,415,389.17 : x
  2. Step 2: Convert to fraction form
    714,523,301.78/1,071,666,075.58 = 216,415,389.17/x
  3. Step 3: Cross multiply
    714,523,301.78x = 1,071,666,075.58 × 216,415,389.17
  4. Step 4: Simplify right side
    714,523,301.78x = 231,925,030,809,070,464
  5. Step 5: Solve for x
    x = 231,925,030,809,070,464/714,523,301.78
  6. Step 6: Final answer
    x = 324,587,078.17

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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.