Home / 630,606,024.76-870,219,447.39-348,342,390.74

Finding the Fourth Proportional to 630,606,024.76, 870,219,447.39 and 348,342,390.74

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Solution

The fourth proportional to 630,606,024.76, 870,219,447.39 and 348,342,390.74 is: 480,703,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,606,024.76 : 870,219,447.39 = 348,342,390.74 : x
  2. Step 2: Convert to fraction form
    630,606,024.76/870,219,447.39 = 348,342,390.74/x
  3. Step 3: Cross multiply
    630,606,024.76x = 870,219,447.39 × 348,342,390.74
  4. Step 4: Simplify right side
    630,606,024.76x = 303,134,322,767,923,136
  5. Step 5: Solve for x
    x = 303,134,322,767,923,136/630,606,024.76
  6. Step 6: Final answer
    x = 480,703,182.12

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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.