Home / 304,133,039.10-455,303,763.45-286,416,200.70

Finding the Fourth Proportional to 304,133,039.10, 455,303,763.45 and 286,416,200.70

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Solution

The fourth proportional to 304,133,039.10, 455,303,763.45 and 286,416,200.70 is: 428,780,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,133,039.10 : 455,303,763.45 = 286,416,200.70 : x
  2. Step 2: Convert to fraction form
    304,133,039.10/455,303,763.45 = 286,416,200.70/x
  3. Step 3: Cross multiply
    304,133,039.10x = 455,303,763.45 × 286,416,200.70
  4. Step 4: Simplify right side
    304,133,039.10x = 130,406,374,091,760,512
  5. Step 5: Solve for x
    x = 130,406,374,091,760,512/304,133,039.10
  6. Step 6: Final answer
    x = 428,780,689.13

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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.