Home / 1,164,921,127.83-1,747,388,224.59-388,564,657.24

Finding the Fourth Proportional to 1,164,921,127.83, 1,747,388,224.59 and 388,564,657.24

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Solution

The fourth proportional to 1,164,921,127.83, 1,747,388,224.59 and 388,564,657.24 is: 582,849,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,921,127.83 : 1,747,388,224.59 = 388,564,657.24 : x
  2. Step 2: Convert to fraction form
    1,164,921,127.83/1,747,388,224.59 = 388,564,657.24/x
  3. Step 3: Cross multiply
    1,164,921,127.83x = 1,747,388,224.59 × 388,564,657.24
  4. Step 4: Simplify right side
    1,164,921,127.83x = 678,973,306,553,025,536
  5. Step 5: Solve for x
    x = 678,973,306,553,025,536/1,164,921,127.83
  6. Step 6: Final answer
    x = 582,849,164.92

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Half scale
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Double scale
Find fourth proportional to 1,164,921,128.83, 1,747,388,226.09 and 388,564,658.24
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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.