Home / 21,547,570,253.60-32,321,355,380.40-20,350,339,968.80

Finding the Fourth Proportional to 21,547,570,253.60, 32,321,355,380.40 and 20,350,339,968.80

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Solution

The fourth proportional to 21,547,570,253.60, 32,321,355,380.40 and 20,350,339,968.80 is: 30,525,509,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547,570,253.60 : 32,321,355,380.40 = 20,350,339,968.80 : x
  2. Step 2: Convert to fraction form
    21,547,570,253.60/32,321,355,380.40 = 20,350,339,968.80/x
  3. Step 3: Cross multiply
    21,547,570,253.60x = 32,321,355,380.40 × 20,350,339,968.80
  4. Step 4: Simplify right side
    21,547,570,253.60x = 657,750,570,243,543,007,232
  5. Step 5: Solve for x
    x = 657,750,570,243,543,007,232/21,547,570,253.60
  6. Step 6: Final answer
    x = 30,525,509,953.20

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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.