Home / 630,711,829.57-870,355,979.48-362,767,285.43

Finding the Fourth Proportional to 630,711,829.57, 870,355,979.48 and 362,767,285.43

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Solution

The fourth proportional to 630,711,829.57, 870,355,979.48 and 362,767,285.43 is: 500,603,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,711,829.57 : 870,355,979.48 = 362,767,285.43 : x
  2. Step 2: Convert to fraction form
    630,711,829.57/870,355,979.48 = 362,767,285.43/x
  3. Step 3: Cross multiply
    630,711,829.57x = 870,355,979.48 × 362,767,285.43
  4. Step 4: Simplify right side
    630,711,829.57x = 315,736,676,033,728,384
  5. Step 5: Solve for x
    x = 315,736,676,033,728,384/630,711,829.57
  6. Step 6: Final answer
    x = 500,603,700.82

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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.