Home / 611,924,354.70-917,886,532.05-490,992,002.70

Finding the Fourth Proportional to 611,924,354.70, 917,886,532.05 and 490,992,002.70

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Solution

The fourth proportional to 611,924,354.70, 917,886,532.05 and 490,992,002.70 is: 736,488,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,924,354.70 : 917,886,532.05 = 490,992,002.70 : x
  2. Step 2: Convert to fraction form
    611,924,354.70/917,886,532.05 = 490,992,002.70/x
  3. Step 3: Cross multiply
    611,924,354.70x = 917,886,532.05 × 490,992,002.70
  4. Step 4: Simplify right side
    611,924,354.70x = 450,674,946,622,587,200
  5. Step 5: Solve for x
    x = 450,674,946,622,587,200/611,924,354.70
  6. Step 6: Final answer
    x = 736,488,004.05

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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.