Home / 188,748,856,289.52-260,535,495,437.04-150,238,416,667.20

Finding the Fourth Proportional to 188,748,856,289.52, 260,535,495,437.04 and 150,238,416,667.20

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Solution

The fourth proportional to 188,748,856,289.52, 260,535,495,437.04 and 150,238,416,667.20 is: 207,378,423,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,748,856,289.52 : 260,535,495,437.04 = 150,238,416,667.20 : x
  2. Step 2: Convert to fraction form
    188,748,856,289.52/260,535,495,437.04 = 150,238,416,667.20/x
  3. Step 3: Cross multiply
    188,748,856,289.52x = 260,535,495,437.04 × 150,238,416,667.20
  4. Step 4: Simplify right side
    188,748,856,289.52x = 39,142,440,320,065,400,209,408
  5. Step 5: Solve for x
    x = 39,142,440,320,065,400,209,408/188,748,856,289.52
  6. Step 6: Final answer
    x = 207,378,423,846.05

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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.