Home / 7,128,041,602.40-10,692,062,403.60-5,658,713,525.60

Finding the Fourth Proportional to 7,128,041,602.40, 10,692,062,403.60 and 5,658,713,525.60

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Solution

The fourth proportional to 7,128,041,602.40, 10,692,062,403.60 and 5,658,713,525.60 is: 8,488,070,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,041,602.40 : 10,692,062,403.60 = 5,658,713,525.60 : x
  2. Step 2: Convert to fraction form
    7,128,041,602.40/10,692,062,403.60 = 5,658,713,525.60/x
  3. Step 3: Cross multiply
    7,128,041,602.40x = 10,692,062,403.60 × 5,658,713,525.60
  4. Step 4: Simplify right side
    7,128,041,602.40x = 60,503,318,139,810,570,240
  5. Step 5: Solve for x
    x = 60,503,318,139,810,570,240/7,128,041,602.40
  6. Step 6: Final answer
    x = 8,488,070,288.40

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1.5x scale

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.