Home / 298,388,534,852.02-447,814,903,375.72-208,266,054,840.40

Finding the Fourth Proportional to 298,388,534,852.02, 447,814,903,375.72 and 208,266,054,840.40

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Solution

The fourth proportional to 298,388,534,852.02, 447,814,903,375.72 and 208,266,054,840.40 is: 312,561,081,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,388,534,852.02 : 447,814,903,375.72 = 208,266,054,840.40 : x
  2. Step 2: Convert to fraction form
    298,388,534,852.02/447,814,903,375.72 = 208,266,054,840.40/x
  3. Step 3: Cross multiply
    298,388,534,852.02x = 447,814,903,375.72 × 208,266,054,840.40
  4. Step 4: Simplify right side
    298,388,534,852.02x = 93,264,643,224,796,124,938,240
  5. Step 5: Solve for x
    x = 93,264,643,224,796,124,938,240/298,388,534,852.02
  6. Step 6: Final answer
    x = 312,561,081,715.32

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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.