Home / 10,513,152,002.30-15,769,728,003.45-5,353,371,650.30

Finding the Fourth Proportional to 10,513,152,002.30, 15,769,728,003.45 and 5,353,371,650.30

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Solution

The fourth proportional to 10,513,152,002.30, 15,769,728,003.45 and 5,353,371,650.30 is: 8,030,057,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,152,002.30 : 15,769,728,003.45 = 5,353,371,650.30 : x
  2. Step 2: Convert to fraction form
    10,513,152,002.30/15,769,728,003.45 = 5,353,371,650.30/x
  3. Step 3: Cross multiply
    10,513,152,002.30x = 15,769,728,003.45 × 5,353,371,650.30
  4. Step 4: Simplify right side
    10,513,152,002.30x = 84,421,214,826,611,261,440
  5. Step 5: Solve for x
    x = 84,421,214,826,611,261,440/10,513,152,002.30
  6. Step 6: Final answer
    x = 8,030,057,475.45

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Double scale
Find fourth proportional to 10,513,152,003.30, 15,769,728,004.95 and 5,353,371,651.30
Similar ratio
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1.5x scale

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.