Home / 30,537,971,330.40-45,806,956,995.60-8,455,003,457.40

Finding the Fourth Proportional to 30,537,971,330.40, 45,806,956,995.60 and 8,455,003,457.40

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Solution

The fourth proportional to 30,537,971,330.40, 45,806,956,995.60 and 8,455,003,457.40 is: 12,682,505,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,971,330.40 : 45,806,956,995.60 = 8,455,003,457.40 : x
  2. Step 2: Convert to fraction form
    30,537,971,330.40/45,806,956,995.60 = 8,455,003,457.40/x
  3. Step 3: Cross multiply
    30,537,971,330.40x = 45,806,956,995.60 × 8,455,003,457.40
  4. Step 4: Simplify right side
    30,537,971,330.40x = 387,297,979,770,771,079,168
  5. Step 5: Solve for x
    x = 387,297,979,770,771,079,168/30,537,971,330.40
  6. Step 6: Final answer
    x = 12,682,505,186.10

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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.