Home / 492,579,118,845.89-738,599,327,071.93-391,127,407,068.69

Finding the Fourth Proportional to 492,579,118,845.89, 738,599,327,071.93 and 391,127,407,068.69

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Solution

The fourth proportional to 492,579,118,845.89, 738,599,327,071.93 and 391,127,407,068.69 is: 586,477,235,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,579,118,845.89 : 738,599,327,071.93 = 391,127,407,068.69 : x
  2. Step 2: Convert to fraction form
    492,579,118,845.89/738,599,327,071.93 = 391,127,407,068.69/x
  3. Step 3: Cross multiply
    492,579,118,845.89x = 738,599,327,071.93 × 391,127,407,068.69
  4. Step 4: Simplify right side
    492,579,118,845.89x = 288,886,439,660,323,296,247,808
  5. Step 5: Solve for x
    x = 288,886,439,660,323,296,247,808/492,579,118,845.89
  6. Step 6: Final answer
    x = 586,477,235,042.33

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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.