Home / 1,118,627,967.58-1,678,009,209.99-342,280,354.34

Finding the Fourth Proportional to 1,118,627,967.58, 1,678,009,209.99 and 342,280,354.34

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Solution

The fourth proportional to 1,118,627,967.58, 1,678,009,209.99 and 342,280,354.34 is: 513,441,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,627,967.58 : 1,678,009,209.99 = 342,280,354.34 : x
  2. Step 2: Convert to fraction form
    1,118,627,967.58/1,678,009,209.99 = 342,280,354.34/x
  3. Step 3: Cross multiply
    1,118,627,967.58x = 1,678,009,209.99 × 342,280,354.34
  4. Step 4: Simplify right side
    1,118,627,967.58x = 574,349,586,981,160,640
  5. Step 5: Solve for x
    x = 574,349,586,981,160,640/1,118,627,967.58
  6. Step 6: Final answer
    x = 513,441,111.46

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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.