Home / 346,014,752.15-477,448,991.60-210,154,289.01

Finding the Fourth Proportional to 346,014,752.15, 477,448,991.60 and 210,154,289.01

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Solution

The fourth proportional to 346,014,752.15, 477,448,991.60 and 210,154,289.01 is: 289,981,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,014,752.15 : 477,448,991.60 = 210,154,289.01 : x
  2. Step 2: Convert to fraction form
    346,014,752.15/477,448,991.60 = 210,154,289.01/x
  3. Step 3: Cross multiply
    346,014,752.15x = 477,448,991.60 × 210,154,289.01
  4. Step 4: Simplify right side
    346,014,752.15x = 100,337,953,365,398,256
  5. Step 5: Solve for x
    x = 100,337,953,365,398,256/346,014,752.15
  6. Step 6: Final answer
    x = 289,981,721.13

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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.