Home / 4,269,342,802.20-6,403,423,713.30-1,323,648,007.80

Finding the Fourth Proportional to 4,269,342,802.20, 6,403,423,713.30 and 1,323,648,007.80

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Solution

The fourth proportional to 4,269,342,802.20, 6,403,423,713.30 and 1,323,648,007.80 is: 1,985,288,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269,342,802.20 : 6,403,423,713.30 = 1,323,648,007.80 : x
  2. Step 2: Convert to fraction form
    4,269,342,802.20/6,403,423,713.30 = 1,323,648,007.80/x
  3. Step 3: Cross multiply
    4,269,342,802.20x = 6,403,423,713.30 × 1,323,648,007.80
  4. Step 4: Simplify right side
    4,269,342,802.20x = 8,475,879,041,208,823,808
  5. Step 5: Solve for x
    x = 8,475,879,041,208,823,808/4,269,342,802.20
  6. Step 6: Final answer
    x = 1,985,288,938.81

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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.