Home / 531,920,618,497.06-734,051,161,409.55-288,050,507,934.64

Finding the Fourth Proportional to 531,920,618,497.06, 734,051,161,409.55 and 288,050,507,934.64

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Solution

The fourth proportional to 531,920,618,497.06, 734,051,161,409.55 and 288,050,507,934.64 is: 397,510,084,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,920,618,497.06 : 734,051,161,409.55 = 288,050,507,934.64 : x
  2. Step 2: Convert to fraction form
    531,920,618,497.06/734,051,161,409.55 = 288,050,507,934.64/x
  3. Step 3: Cross multiply
    531,920,618,497.06x = 734,051,161,409.55 × 288,050,507,934.64
  4. Step 4: Simplify right side
    531,920,618,497.06x = 211,443,809,894,033,325,555,712
  5. Step 5: Solve for x
    x = 211,443,809,894,033,325,555,712/531,920,618,497.06
  6. Step 6: Final answer
    x = 397,510,084,289.40

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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.