Home / 346,153,700.79-477,673,184.43-189,490,502.43

Finding the Fourth Proportional to 346,153,700.79, 477,673,184.43 and 189,490,502.43

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Solution

The fourth proportional to 346,153,700.79, 477,673,184.43 and 189,490,502.43 is: 261,486,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,153,700.79 : 477,673,184.43 = 189,490,502.43 : x
  2. Step 2: Convert to fraction form
    346,153,700.79/477,673,184.43 = 189,490,502.43/x
  3. Step 3: Cross multiply
    346,153,700.79x = 477,673,184.43 × 189,490,502.43
  4. Step 4: Simplify right side
    346,153,700.79x = 90,514,531,714,978,752
  5. Step 5: Solve for x
    x = 90,514,531,714,978,752/346,153,700.79
  6. Step 6: Final answer
    x = 261,486,534.76

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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.