Home / 631,848,689.92-947,891,678.08-286,826,533.12

Finding the Fourth Proportional to 631,848,689.92, 947,891,678.08 and 286,826,533.12

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Solution

The fourth proportional to 631,848,689.92, 947,891,678.08 and 286,826,533.12 is: 430,293,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,848,689.92 : 947,891,678.08 = 286,826,533.12 : x
  2. Step 2: Convert to fraction form
    631,848,689.92/947,891,678.08 = 286,826,533.12/x
  3. Step 3: Cross multiply
    631,848,689.92x = 947,891,678.08 × 286,826,533.12
  4. Step 4: Simplify right side
    631,848,689.92x = 271,880,483,796,985,504
  5. Step 5: Solve for x
    x = 271,880,483,796,985,504/631,848,689.92
  6. Step 6: Final answer
    x = 430,293,657.54

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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.