Home / 298,971,077,519.72-448,457,779,758.10-72,330,165,897.46

Finding the Fourth Proportional to 298,971,077,519.72, 448,457,779,758.10 and 72,330,165,897.46

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Solution

The fourth proportional to 298,971,077,519.72, 448,457,779,758.10 and 72,330,165,897.46 is: 108,495,530,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,077,519.72 : 448,457,779,758.10 = 72,330,165,897.46 : x
  2. Step 2: Convert to fraction form
    298,971,077,519.72/448,457,779,758.10 = 72,330,165,897.46/x
  3. Step 3: Cross multiply
    298,971,077,519.72x = 448,457,779,758.10 × 72,330,165,897.46
  4. Step 4: Simplify right side
    298,971,077,519.72x = 32,437,025,607,909,954,813,952
  5. Step 5: Solve for x
    x = 32,437,025,607,909,954,813,952/298,971,077,519.72
  6. Step 6: Final answer
    x = 108,495,530,326.91

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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.