Home / 507,172,656,996.70-699,898,717,648.25-275,686,176,265.90

Finding the Fourth Proportional to 507,172,656,996.70, 699,898,717,648.25 and 275,686,176,265.90

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Solution

The fourth proportional to 507,172,656,996.70, 699,898,717,648.25 and 275,686,176,265.90 is: 380,447,168,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,172,656,996.70 : 699,898,717,648.25 = 275,686,176,265.90 : x
  2. Step 2: Convert to fraction form
    507,172,656,996.70/699,898,717,648.25 = 275,686,176,265.90/x
  3. Step 3: Cross multiply
    507,172,656,996.70x = 699,898,717,648.25 × 275,686,176,265.90
  4. Step 4: Simplify right side
    507,172,656,996.70x = 192,952,401,241,852,849,684,480
  5. Step 5: Solve for x
    x = 192,952,401,241,852,849,684,480/507,172,656,996.70
  6. Step 6: Final answer
    x = 380,447,168,395.18

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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.