Home / 433,112,547.40-649,668,821.10-214,796,584.60

Finding the Fourth Proportional to 433,112,547.40, 649,668,821.10 and 214,796,584.60

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Solution

The fourth proportional to 433,112,547.40, 649,668,821.10 and 214,796,584.60 is: 322,194,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,112,547.40 : 649,668,821.10 = 214,796,584.60 : x
  2. Step 2: Convert to fraction form
    433,112,547.40/649,668,821.10 = 214,796,584.60/x
  3. Step 3: Cross multiply
    433,112,547.40x = 649,668,821.10 × 214,796,584.60
  4. Step 4: Simplify right side
    433,112,547.40x = 139,546,643,893,388,416
  5. Step 5: Solve for x
    x = 139,546,643,893,388,416/433,112,547.40
  6. Step 6: Final answer
    x = 322,194,876.90

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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.