Home / 309,209,690,605.08-463,881,633,303.78-94,072,641,817.21

Finding the Fourth Proportional to 309,209,690,605.08, 463,881,633,303.78 and 94,072,641,817.21

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Solution

The fourth proportional to 309,209,690,605.08, 463,881,633,303.78 and 94,072,641,817.21 is: 141,129,376,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,209,690,605.08 : 463,881,633,303.78 = 94,072,641,817.21 : x
  2. Step 2: Convert to fraction form
    309,209,690,605.08/463,881,633,303.78 = 94,072,641,817.21/x
  3. Step 3: Cross multiply
    309,209,690,605.08x = 463,881,633,303.78 × 94,072,641,817.21
  4. Step 4: Simplify right side
    309,209,690,605.08x = 43,638,570,735,368,855,879,680
  5. Step 5: Solve for x
    x = 43,638,570,735,368,855,879,680/309,209,690,605.08
  6. Step 6: Final answer
    x = 141,129,376,152.39

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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.