Home / 1,118,627,968.58-1,678,009,211.48-342,280,355.34

Finding the Fourth Proportional to 1,118,627,968.58, 1,678,009,211.48 and 342,280,355.34

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Solution

The fourth proportional to 1,118,627,968.58, 1,678,009,211.48 and 342,280,355.34 is: 513,441,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,627,968.58 : 1,678,009,211.48 = 342,280,355.34 : x
  2. Step 2: Convert to fraction form
    1,118,627,968.58/1,678,009,211.48 = 342,280,355.34/x
  3. Step 3: Cross multiply
    1,118,627,968.58x = 1,678,009,211.48 × 342,280,355.34
  4. Step 4: Simplify right side
    1,118,627,968.58x = 574,349,589,169,167,552
  5. Step 5: Solve for x
    x = 574,349,589,169,167,552/1,118,627,968.58
  6. Step 6: Final answer
    x = 513,441,112.95

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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.