Home / 13,126,398,624.16-18,114,430,985.12-7,185,951,126.24

Finding the Fourth Proportional to 13,126,398,624.16, 18,114,430,985.12 and 7,185,951,126.24

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Solution

The fourth proportional to 13,126,398,624.16, 18,114,430,985.12 and 7,185,951,126.24 is: 9,916,613,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,398,624.16 : 18,114,430,985.12 = 7,185,951,126.24 : x
  2. Step 2: Convert to fraction form
    13,126,398,624.16/18,114,430,985.12 = 7,185,951,126.24/x
  3. Step 3: Cross multiply
    13,126,398,624.16x = 18,114,430,985.12 × 7,185,951,126.24
  4. Step 4: Simplify right side
    13,126,398,624.16x = 130,169,415,738,719,797,248
  5. Step 5: Solve for x
    x = 130,169,415,738,719,797,248/13,126,398,624.16
  6. Step 6: Final answer
    x = 9,916,613,038.03

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1.5x scale

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.