Home / 642,752,045,535.95-886,997,967,621.40-353,720,304,924.45

Finding the Fourth Proportional to 642,752,045,535.95, 886,997,967,621.40 and 353,720,304,924.45

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Solution

The fourth proportional to 642,752,045,535.95, 886,997,967,621.40 and 353,720,304,924.45 is: 488,134,100,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,752,045,535.95 : 886,997,967,621.40 = 353,720,304,924.45 : x
  2. Step 2: Convert to fraction form
    642,752,045,535.95/886,997,967,621.40 = 353,720,304,924.45/x
  3. Step 3: Cross multiply
    642,752,045,535.95x = 886,997,967,621.40 × 353,720,304,924.45
  4. Step 4: Simplify right side
    642,752,045,535.95x = 313,749,191,574,409,038,528,512
  5. Step 5: Solve for x
    x = 313,749,191,574,409,038,528,512/642,752,045,535.95
  6. Step 6: Final answer
    x = 488,134,100,472.28

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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.