Home / 2,980,164,348.30-4,470,246,522.45-909,617,068.20

Finding the Fourth Proportional to 2,980,164,348.30, 4,470,246,522.45 and 909,617,068.20

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Solution

The fourth proportional to 2,980,164,348.30, 4,470,246,522.45 and 909,617,068.20 is: 1,364,425,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,164,348.30 : 4,470,246,522.45 = 909,617,068.20 : x
  2. Step 2: Convert to fraction form
    2,980,164,348.30/4,470,246,522.45 = 909,617,068.20/x
  3. Step 3: Cross multiply
    2,980,164,348.30x = 4,470,246,522.45 × 909,617,068.20
  4. Step 4: Simplify right side
    2,980,164,348.30x = 4,066,212,535,882,214,400
  5. Step 5: Solve for x
    x = 4,066,212,535,882,214,400/2,980,164,348.30
  6. Step 6: Final answer
    x = 1,364,425,602.30

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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.