Home / 384,155,738.24-529,608,070.86-242,956,583.60

Finding the Fourth Proportional to 384,155,738.24, 529,608,070.86 and 242,956,583.60

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Solution

The fourth proportional to 384,155,738.24, 529,608,070.86 and 242,956,583.60 is: 334,946,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,155,738.24 : 529,608,070.86 = 242,956,583.60 : x
  2. Step 2: Convert to fraction form
    384,155,738.24/529,608,070.86 = 242,956,583.60/x
  3. Step 3: Cross multiply
    384,155,738.24x = 529,608,070.86 × 242,956,583.60
  4. Step 4: Simplify right side
    384,155,738.24x = 128,671,767,543,132,320
  5. Step 5: Solve for x
    x = 128,671,767,543,132,320/384,155,738.24
  6. Step 6: Final answer
    x = 334,946,884.13

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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.