Home / 553,603,916,428.70-834,555,249,628.20-516,700,525,822.15

Finding the Fourth Proportional to 553,603,916,428.70, 834,555,249,628.20 and 516,700,525,822.15

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Solution

The fourth proportional to 553,603,916,428.70, 834,555,249,628.20 and 516,700,525,822.15 is: 778,923,565,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,603,916,428.70 : 834,555,249,628.20 = 516,700,525,822.15 : x
  2. Step 2: Convert to fraction form
    553,603,916,428.70/834,555,249,628.20 = 516,700,525,822.15/x
  3. Step 3: Cross multiply
    553,603,916,428.70x = 834,555,249,628.20 × 516,700,525,822.15
  4. Step 4: Simplify right side
    553,603,916,428.70x = 431,215,136,310,526,574,854,144
  5. Step 5: Solve for x
    x = 431,215,136,310,526,574,854,144/553,603,916,428.70
  6. Step 6: Final answer
    x = 778,923,565,231.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.