Home / 12,457,127,952.86-18,685,740,406.86-3,013,756,635.38

Finding the Fourth Proportional to 12,457,127,952.86, 18,685,740,406.86 and 3,013,756,635.38

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Solution

The fourth proportional to 12,457,127,952.86, 18,685,740,406.86 and 3,013,756,635.38 is: 4,520,646,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,127,952.86 : 18,685,740,406.86 = 3,013,756,635.38 : x
  2. Step 2: Convert to fraction form
    12,457,127,952.86/18,685,740,406.86 = 3,013,756,635.38/x
  3. Step 3: Cross multiply
    12,457,127,952.86x = 18,685,740,406.86 × 3,013,756,635.38
  4. Step 4: Simplify right side
    12,457,127,952.86x = 56,314,274,138,069,082,112
  5. Step 5: Solve for x
    x = 56,314,274,138,069,082,112/12,457,127,952.86
  6. Step 6: Final answer
    x = 4,520,646,681.26

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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.