Home / 7,128,041,603.40-10,692,062,405.10-5,658,713,526.60

Finding the Fourth Proportional to 7,128,041,603.40, 10,692,062,405.10 and 5,658,713,526.60

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Solution

The fourth proportional to 7,128,041,603.40, 10,692,062,405.10 and 5,658,713,526.60 is: 8,488,070,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,041,603.40 : 10,692,062,405.10 = 5,658,713,526.60 : x
  2. Step 2: Convert to fraction form
    7,128,041,603.40/10,692,062,405.10 = 5,658,713,526.60/x
  3. Step 3: Cross multiply
    7,128,041,603.40x = 10,692,062,405.10 × 5,658,713,526.60
  4. Step 4: Simplify right side
    7,128,041,603.40x = 60,503,318,158,990,704,640
  5. Step 5: Solve for x
    x = 60,503,318,158,990,704,640/7,128,041,603.40
  6. Step 6: Final answer
    x = 8,488,070,289.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.