Home / 1,208,478,323.73-1,667,089,637.27-706,359,061.49

Finding the Fourth Proportional to 1,208,478,323.73, 1,667,089,637.27 and 706,359,061.49

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Solution

The fourth proportional to 1,208,478,323.73, 1,667,089,637.27 and 706,359,061.49 is: 974,418,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,478,323.73 : 1,667,089,637.27 = 706,359,061.49 : x
  2. Step 2: Convert to fraction form
    1,208,478,323.73/1,667,089,637.27 = 706,359,061.49/x
  3. Step 3: Cross multiply
    1,208,478,323.73x = 1,667,089,637.27 × 706,359,061.49
  4. Step 4: Simplify right side
    1,208,478,323.73x = 1,177,563,871,603,905,536
  5. Step 5: Solve for x
    x = 1,177,563,871,603,905,536/1,208,478,323.73
  6. Step 6: Final answer
    x = 974,418,695.38

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Double scale
Find fourth proportional to 1,208,478,324.73, 1,667,089,638.65 and 706,359,062.49
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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.