Home / 253,724,698,280.47-380,754,717,061.28-119,457,586,173.26

Finding the Fourth Proportional to 253,724,698,280.47, 380,754,717,061.28 and 119,457,586,173.26

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Solution

The fourth proportional to 253,724,698,280.47, 380,754,717,061.28 and 119,457,586,173.26 is: 179,265,320,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,724,698,280.47 : 380,754,717,061.28 = 119,457,586,173.26 : x
  2. Step 2: Convert to fraction form
    253,724,698,280.47/380,754,717,061.28 = 119,457,586,173.26/x
  3. Step 3: Cross multiply
    253,724,698,280.47x = 380,754,717,061.28 × 119,457,586,173.26
  4. Step 4: Simplify right side
    253,724,698,280.47x = 45,484,039,424,223,089,786,880
  5. Step 5: Solve for x
    x = 45,484,039,424,223,089,786,880/253,724,698,280.47
  6. Step 6: Final answer
    x = 179,265,320,768.83

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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.