Home / 772,903,010.70-1,159,354,516.05-619,848,002.70

Finding the Fourth Proportional to 772,903,010.70, 1,159,354,516.05 and 619,848,002.70

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Solution

The fourth proportional to 772,903,010.70, 1,159,354,516.05 and 619,848,002.70 is: 929,772,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,903,010.70 : 1,159,354,516.05 = 619,848,002.70 : x
  2. Step 2: Convert to fraction form
    772,903,010.70/1,159,354,516.05 = 619,848,002.70/x
  3. Step 3: Cross multiply
    772,903,010.70x = 1,159,354,516.05 × 619,848,002.70
  4. Step 4: Simplify right side
    772,903,010.70x = 718,623,581,194,817,664
  5. Step 5: Solve for x
    x = 718,623,581,194,817,664/772,903,010.70
  6. Step 6: Final answer
    x = 929,772,004.05

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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.