Home / 8,399,334,941.57-12,590,201,776.74-3,913,731,428.07

Finding the Fourth Proportional to 8,399,334,941.57, 12,590,201,776.74 and 3,913,731,428.07

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Solution

The fourth proportional to 8,399,334,941.57, 12,590,201,776.74 and 3,913,731,428.07 is: 5,866,496,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,334,941.57 : 12,590,201,776.74 = 3,913,731,428.07 : x
  2. Step 2: Convert to fraction form
    8,399,334,941.57/12,590,201,776.74 = 3,913,731,428.07/x
  3. Step 3: Cross multiply
    8,399,334,941.57x = 12,590,201,776.74 × 3,913,731,428.07
  4. Step 4: Simplify right side
    8,399,334,941.57x = 49,274,668,379,402,280,960
  5. Step 5: Solve for x
    x = 49,274,668,379,402,280,960/8,399,334,941.57
  6. Step 6: Final answer
    x = 5,866,496,421.70

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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.