Home / 10,411,936,849.05-14,372,871,738.93-7,029,428,085.15

Finding the Fourth Proportional to 10,411,936,849.05, 14,372,871,738.93 and 7,029,428,085.15

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Solution

The fourth proportional to 10,411,936,849.05, 14,372,871,738.93 and 7,029,428,085.15 is: 9,703,580,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411,936,849.05 : 14,372,871,738.93 = 7,029,428,085.15 : x
  2. Step 2: Convert to fraction form
    10,411,936,849.05/14,372,871,738.93 = 7,029,428,085.15/x
  3. Step 3: Cross multiply
    10,411,936,849.05x = 14,372,871,738.93 × 7,029,428,085.15
  4. Step 4: Simplify right side
    10,411,936,849.05x = 101,033,068,265,893,265,408
  5. Step 5: Solve for x
    x = 101,033,068,265,893,265,408/10,411,936,849.05
  6. Step 6: Final answer
    x = 9,703,580,585.50

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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.