Home / 298,971,077,526.42-448,457,779,768.14-72,330,165,904.17

Finding the Fourth Proportional to 298,971,077,526.42, 448,457,779,768.14 and 72,330,165,904.17

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Solution

The fourth proportional to 298,971,077,526.42, 448,457,779,768.14 and 72,330,165,904.17 is: 108,495,530,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,077,526.42 : 448,457,779,768.14 = 72,330,165,904.17 : x
  2. Step 2: Convert to fraction form
    298,971,077,526.42/448,457,779,768.14 = 72,330,165,904.17/x
  3. Step 3: Cross multiply
    298,971,077,526.42x = 448,457,779,768.14 × 72,330,165,904.17
  4. Step 4: Simplify right side
    298,971,077,526.42x = 32,437,025,611,645,297,098,752
  5. Step 5: Solve for x
    x = 32,437,025,611,645,297,098,752/298,971,077,526.42
  6. Step 6: Final answer
    x = 108,495,530,336.97

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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.