Home / 939,281,155.39-1,407,696,097.28-524,741,232.16

Finding the Fourth Proportional to 939,281,155.39, 1,407,696,097.28 and 524,741,232.16

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Solution

The fourth proportional to 939,281,155.39, 1,407,696,097.28 and 524,741,232.16 is: 786,427,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,281,155.39 : 1,407,696,097.28 = 524,741,232.16 : x
  2. Step 2: Convert to fraction form
    939,281,155.39/1,407,696,097.28 = 524,741,232.16/x
  3. Step 3: Cross multiply
    939,281,155.39x = 1,407,696,097.28 × 524,741,232.16
  4. Step 4: Simplify right side
    939,281,155.39x = 738,676,184,595,590,784
  5. Step 5: Solve for x
    x = 738,676,184,595,590,784/939,281,155.39
  6. Step 6: Final answer
    x = 786,427,131.38

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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.