Home / 215,570,415-297,487,172.70-117,785,271

Finding the Fourth Proportional to 215,570,415, 297,487,172.70 and 117,785,271

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Solution

The fourth proportional to 215,570,415, 297,487,172.70 and 117,785,271 is: 162,543,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,570,415 : 297,487,172.70 = 117,785,271 : x
  2. Step 2: Convert to fraction form
    215,570,415/297,487,172.70 = 117,785,271/x
  3. Step 3: Cross multiply
    215,570,415x = 297,487,172.70 × 117,785,271
  4. Step 4: Simplify right side
    215,570,415x = 35,039,607,255,493,300
  5. Step 5: Solve for x
    x = 35,039,607,255,493,300/215,570,415
  6. Step 6: Final answer
    x = 162,543,673.98

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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.