Home / 450,513,326,358.59-621,761,688,725.55-267,611,150,628.12

Finding the Fourth Proportional to 450,513,326,358.59, 621,761,688,725.55 and 267,611,150,628.12

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Solution

The fourth proportional to 450,513,326,358.59, 621,761,688,725.55 and 267,611,150,628.12 is: 369,335,047,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,513,326,358.59 : 621,761,688,725.55 = 267,611,150,628.12 : x
  2. Step 2: Convert to fraction form
    450,513,326,358.59/621,761,688,725.55 = 267,611,150,628.12/x
  3. Step 3: Cross multiply
    450,513,326,358.59x = 621,761,688,725.55 × 267,611,150,628.12
  4. Step 4: Simplify right side
    450,513,326,358.59x = 166,390,360,936,327,445,217,280
  5. Step 5: Solve for x
    x = 166,390,360,936,327,445,217,280/450,513,326,358.59
  6. Step 6: Final answer
    x = 369,335,047,824.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.