Home / 288,020,407.78-397,425,405.70-174,931,050.05

Finding the Fourth Proportional to 288,020,407.78, 397,425,405.70 and 174,931,050.05

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Solution

The fourth proportional to 288,020,407.78, 397,425,405.70 and 174,931,050.05 is: 241,378,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,020,407.78 : 397,425,405.70 = 174,931,050.05 : x
  2. Step 2: Convert to fraction form
    288,020,407.78/397,425,405.70 = 174,931,050.05/x
  3. Step 3: Cross multiply
    288,020,407.78x = 397,425,405.70 × 174,931,050.05
  4. Step 4: Simplify right side
    288,020,407.78x = 69,522,043,535,648,256
  5. Step 5: Solve for x
    x = 69,522,043,535,648,256/288,020,407.78
  6. Step 6: Final answer
    x = 241,378,880.31

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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.