Home / 55,427,328,015.40-83,140,992,023.10-51,509,119,810.60

Finding the Fourth Proportional to 55,427,328,015.40, 83,140,992,023.10 and 51,509,119,810.60

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Solution

The fourth proportional to 55,427,328,015.40, 83,140,992,023.10 and 51,509,119,810.60 is: 77,263,679,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427,328,015.40 : 83,140,992,023.10 = 51,509,119,810.60 : x
  2. Step 2: Convert to fraction form
    55,427,328,015.40/83,140,992,023.10 = 51,509,119,810.60/x
  3. Step 3: Cross multiply
    55,427,328,015.40x = 83,140,992,023.10 × 51,509,119,810.60
  4. Step 4: Simplify right side
    55,427,328,015.40x = 4,282,519,319,289,997,033,472
  5. Step 5: Solve for x
    x = 4,282,519,319,289,997,033,472/55,427,328,015.40
  6. Step 6: Final answer
    x = 77,263,679,715.90

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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.