Home / 630,515,916.74-945,864,138.08-193,853,269.26

Finding the Fourth Proportional to 630,515,916.74, 945,864,138.08 and 193,853,269.26

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Solution

The fourth proportional to 630,515,916.74, 945,864,138.08 and 193,853,269.26 is: 290,807,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,515,916.74 : 945,864,138.08 = 193,853,269.26 : x
  2. Step 2: Convert to fraction form
    630,515,916.74/945,864,138.08 = 193,853,269.26/x
  3. Step 3: Cross multiply
    630,515,916.74x = 945,864,138.08 × 193,853,269.26
  4. Step 4: Simplify right side
    630,515,916.74x = 183,358,855,443,084,672
  5. Step 5: Solve for x
    x = 183,358,855,443,084,672/630,515,916.74
  6. Step 6: Final answer
    x = 290,807,655.40

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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.