Home / 812,156,267,702.90-1,120,802,527,975-446,363,436,699.67

Finding the Fourth Proportional to 812,156,267,702.90, 1,120,802,527,975 and 446,363,436,699.67

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Solution

The fourth proportional to 812,156,267,702.90, 1,120,802,527,975 and 446,363,436,699.67 is: 615,996,315,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,156,267,702.90 : 1,120,802,527,975 = 446,363,436,699.67 : x
  2. Step 2: Convert to fraction form
    812,156,267,702.90/1,120,802,527,975 = 446,363,436,699.67/x
  3. Step 3: Cross multiply
    812,156,267,702.90x = 1,120,802,527,975 × 446,363,436,699.67
  4. Step 4: Simplify right side
    812,156,267,702.90x = 500,285,268,248,599,038,263,296
  5. Step 5: Solve for x
    x = 500,285,268,248,599,038,263,296/812,156,267,702.90
  6. Step 6: Final answer
    x = 615,996,315,171.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.