Home / 1,118,627,966.58-1,678,009,208.49-342,280,353.34

Finding the Fourth Proportional to 1,118,627,966.58, 1,678,009,208.49 and 342,280,353.34

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Solution

The fourth proportional to 1,118,627,966.58, 1,678,009,208.49 and 342,280,353.34 is: 513,441,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,627,966.58 : 1,678,009,208.49 = 342,280,353.34 : x
  2. Step 2: Convert to fraction form
    1,118,627,966.58/1,678,009,208.49 = 342,280,353.34/x
  3. Step 3: Cross multiply
    1,118,627,966.58x = 1,678,009,208.49 × 342,280,353.34
  4. Step 4: Simplify right side
    1,118,627,966.58x = 574,349,584,788,019,456
  5. Step 5: Solve for x
    x = 574,349,584,788,019,456/1,118,627,966.58
  6. Step 6: Final answer
    x = 513,441,109.96

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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.