Home / 531,920,618,495.34-734,051,161,407.21-288,050,507,932.91

Finding the Fourth Proportional to 531,920,618,495.34, 734,051,161,407.21 and 288,050,507,932.91

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Solution

The fourth proportional to 531,920,618,495.34, 734,051,161,407.21 and 288,050,507,932.91 is: 397,510,084,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,920,618,495.34 : 734,051,161,407.21 = 288,050,507,932.91 : x
  2. Step 2: Convert to fraction form
    531,920,618,495.34/734,051,161,407.21 = 288,050,507,932.91/x
  3. Step 3: Cross multiply
    531,920,618,495.34x = 734,051,161,407.21 × 288,050,507,932.91
  4. Step 4: Simplify right side
    531,920,618,495.34x = 211,443,809,892,089,315,983,360
  5. Step 5: Solve for x
    x = 211,443,809,892,089,315,983,360/531,920,618,495.34
  6. Step 6: Final answer
    x = 397,510,084,287.03

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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.