Home / 1,118,627,975.99-1,678,009,222.58-342,280,362.76

Finding the Fourth Proportional to 1,118,627,975.99, 1,678,009,222.58 and 342,280,362.76

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Solution

The fourth proportional to 1,118,627,975.99, 1,678,009,222.58 and 342,280,362.76 is: 513,441,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,627,975.99 : 1,678,009,222.58 = 342,280,362.76 : x
  2. Step 2: Convert to fraction form
    1,118,627,975.99/1,678,009,222.58 = 342,280,362.76/x
  3. Step 3: Cross multiply
    1,118,627,975.99x = 1,678,009,222.58 × 342,280,362.76
  4. Step 4: Simplify right side
    1,118,627,975.99x = 574,349,605,413,401,536
  5. Step 5: Solve for x
    x = 574,349,605,413,401,536/1,118,627,975.99
  6. Step 6: Final answer
    x = 513,441,124.07

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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.