Home / 353,956,457,684.60-530,706,410,330.35-138,846,735,128.89

Finding the Fourth Proportional to 353,956,457,684.60, 530,706,410,330.35 and 138,846,735,128.89

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Solution

The fourth proportional to 353,956,457,684.60, 530,706,410,330.35 and 138,846,735,128.89 is: 208,180,556,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,956,457,684.60 : 530,706,410,330.35 = 138,846,735,128.89 : x
  2. Step 2: Convert to fraction form
    353,956,457,684.60/530,706,410,330.35 = 138,846,735,128.89/x
  3. Step 3: Cross multiply
    353,956,457,684.60x = 530,706,410,330.35 × 138,846,735,128.89
  4. Step 4: Simplify right side
    353,956,457,684.60x = 73,686,852,386,342,119,145,472
  5. Step 5: Solve for x
    x = 73,686,852,386,342,119,145,472/353,956,457,684.60
  6. Step 6: Final answer
    x = 208,180,556,637.85

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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.