Home / 868,924,889.30-1,199,159,429.39-539,006,316.50

Finding the Fourth Proportional to 868,924,889.30, 1,199,159,429.39 and 539,006,316.50

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Solution

The fourth proportional to 868,924,889.30, 1,199,159,429.39 and 539,006,316.50 is: 743,855,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,924,889.30 : 1,199,159,429.39 = 539,006,316.50 : x
  2. Step 2: Convert to fraction form
    868,924,889.30/1,199,159,429.39 = 539,006,316.50/x
  3. Step 3: Cross multiply
    868,924,889.30x = 1,199,159,429.39 × 539,006,316.50
  4. Step 4: Simplify right side
    868,924,889.30x = 646,354,506,923,054,976
  5. Step 5: Solve for x
    x = 646,354,506,923,054,976/868,924,889.30
  6. Step 6: Final answer
    x = 743,855,441.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.