Home / 8,389,260,071.94-12,585,547,846.62-3,077,421,561.12

Finding the Fourth Proportional to 8,389,260,071.94, 12,585,547,846.62 and 3,077,421,561.12

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Solution

The fourth proportional to 8,389,260,071.94, 12,585,547,846.62 and 3,077,421,561.12 is: 4,616,740,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,260,071.94 : 12,585,547,846.62 = 3,077,421,561.12 : x
  2. Step 2: Convert to fraction form
    8,389,260,071.94/12,585,547,846.62 = 3,077,421,561.12/x
  3. Step 3: Cross multiply
    8,389,260,071.94x = 12,585,547,846.62 × 3,077,421,561.12
  4. Step 4: Simplify right side
    8,389,260,071.94x = 38,731,036,301,695,778,816
  5. Step 5: Solve for x
    x = 38,731,036,301,695,778,816/8,389,260,071.94
  6. Step 6: Final answer
    x = 4,616,740,447.85

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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.