Home / 287,095,055.40-430,642,583.10-271,978,511.40

Finding the Fourth Proportional to 287,095,055.40, 430,642,583.10 and 271,978,511.40

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Solution

The fourth proportional to 287,095,055.40, 430,642,583.10 and 271,978,511.40 is: 407,967,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,095,055.40 : 430,642,583.10 = 271,978,511.40 : x
  2. Step 2: Convert to fraction form
    287,095,055.40/430,642,583.10 = 271,978,511.40/x
  3. Step 3: Cross multiply
    287,095,055.40x = 430,642,583.10 × 271,978,511.40
  4. Step 4: Simplify right side
    287,095,055.40x = 117,125,528,696,988,800
  5. Step 5: Solve for x
    x = 117,125,528,696,988,800/287,095,055.40
  6. Step 6: Final answer
    x = 407,967,767.10

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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.