Home / 450,513,326,360.70-621,761,688,728.54-267,611,150,630.28

Finding the Fourth Proportional to 450,513,326,360.70, 621,761,688,728.54 and 267,611,150,630.28

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Solution

The fourth proportional to 450,513,326,360.70, 621,761,688,728.54 and 267,611,150,630.28 is: 369,335,047,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,513,326,360.70 : 621,761,688,728.54 = 267,611,150,630.28 : x
  2. Step 2: Convert to fraction form
    450,513,326,360.70/621,761,688,728.54 = 267,611,150,630.28/x
  3. Step 3: Cross multiply
    450,513,326,360.70x = 621,761,688,728.54 × 267,611,150,630.28
  4. Step 4: Simplify right side
    450,513,326,360.70x = 166,390,360,938,470,600,343,552
  5. Step 5: Solve for x
    x = 166,390,360,938,470,600,343,552/450,513,326,360.70
  6. Step 6: Final answer
    x = 369,335,047,827.76

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1.5x scale

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.