Home / 1,214,724,916.17-1,676,322,000.95-657,808,923.69

Finding the Fourth Proportional to 1,214,724,916.17, 1,676,322,000.95 and 657,808,923.69

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Solution

The fourth proportional to 1,214,724,916.17, 1,676,322,000.95 and 657,808,923.69 is: 907,777,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,724,916.17 : 1,676,322,000.95 = 657,808,923.69 : x
  2. Step 2: Convert to fraction form
    1,214,724,916.17/1,676,322,000.95 = 657,808,923.69/x
  3. Step 3: Cross multiply
    1,214,724,916.17x = 1,676,322,000.95 × 657,808,923.69
  4. Step 4: Simplify right side
    1,214,724,916.17x = 1,102,699,571,199,497,728
  5. Step 5: Solve for x
    x = 1,102,699,571,199,497,728/1,214,724,916.17
  6. Step 6: Final answer
    x = 907,777,190.14

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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.