Home / 553,603,916,428.45-834,555,249,627.80-516,700,525,821.90

Finding the Fourth Proportional to 553,603,916,428.45, 834,555,249,627.80 and 516,700,525,821.90

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Solution

The fourth proportional to 553,603,916,428.45, 834,555,249,627.80 and 516,700,525,821.90 is: 778,923,565,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,603,916,428.45 : 834,555,249,627.80 = 516,700,525,821.90 : x
  2. Step 2: Convert to fraction form
    553,603,916,428.45/834,555,249,627.80 = 516,700,525,821.90/x
  3. Step 3: Cross multiply
    553,603,916,428.45x = 834,555,249,627.80 × 516,700,525,821.90
  4. Step 4: Simplify right side
    553,603,916,428.45x = 431,215,136,310,111,305,203,712
  5. Step 5: Solve for x
    x = 431,215,136,310,111,305,203,712/553,603,916,428.45
  6. Step 6: Final answer
    x = 778,923,565,230.67

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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.