Home / 288,089,041.50-397,572,513.18-176,558,330.58

Finding the Fourth Proportional to 288,089,041.50, 397,572,513.18 and 176,558,330.58

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Solution

The fourth proportional to 288,089,041.50, 397,572,513.18 and 176,558,330.58 is: 243,656,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,089,041.50 : 397,572,513.18 = 176,558,330.58 : x
  2. Step 2: Convert to fraction form
    288,089,041.50/397,572,513.18 = 176,558,330.58/x
  3. Step 3: Cross multiply
    288,089,041.50x = 397,572,513.18 × 176,558,330.58
  4. Step 4: Simplify right side
    288,089,041.50x = 70,194,739,209,567,984
  5. Step 5: Solve for x
    x = 70,194,739,209,567,984/288,089,041.50
  6. Step 6: Final answer
    x = 243,656,401.66

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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.