Home / 21,730,032,146.40-32,595,048,219.60-21,117,812,114.40

Finding the Fourth Proportional to 21,730,032,146.40, 32,595,048,219.60 and 21,117,812,114.40

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Solution

The fourth proportional to 21,730,032,146.40, 32,595,048,219.60 and 21,117,812,114.40 is: 31,676,718,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,032,146.40 : 32,595,048,219.60 = 21,117,812,114.40 : x
  2. Step 2: Convert to fraction form
    21,730,032,146.40/32,595,048,219.60 = 21,117,812,114.40/x
  3. Step 3: Cross multiply
    21,730,032,146.40x = 32,595,048,219.60 × 21,117,812,114.40
  4. Step 4: Simplify right side
    21,730,032,146.40x = 688,336,104,161,321,025,536
  5. Step 5: Solve for x
    x = 688,336,104,161,321,025,536/21,730,032,146.40
  6. Step 6: Final answer
    x = 31,676,718,171.60

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Double scale
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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.