Home / 331,742,024.80-497,613,037.20-211,108,271.20

Finding the Fourth Proportional to 331,742,024.80, 497,613,037.20 and 211,108,271.20

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Solution

The fourth proportional to 331,742,024.80, 497,613,037.20 and 211,108,271.20 is: 316,662,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,742,024.80 : 497,613,037.20 = 211,108,271.20 : x
  2. Step 2: Convert to fraction form
    331,742,024.80/497,613,037.20 = 211,108,271.20/x
  3. Step 3: Cross multiply
    331,742,024.80x = 497,613,037.20 × 211,108,271.20
  4. Step 4: Simplify right side
    331,742,024.80x = 105,050,228,009,873,280
  5. Step 5: Solve for x
    x = 105,050,228,009,873,280/331,742,024.80
  6. Step 6: Final answer
    x = 316,662,406.80

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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.