Home / 867,071,807.91-1,196,560,279.83-470,594,803.58

Finding the Fourth Proportional to 867,071,807.91, 1,196,560,279.83 and 470,594,803.58

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Solution

The fourth proportional to 867,071,807.91, 1,196,560,279.83 and 470,594,803.58 is: 649,421,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,071,807.91 : 1,196,560,279.83 = 470,594,803.58 : x
  2. Step 2: Convert to fraction form
    867,071,807.91/1,196,560,279.83 = 470,594,803.58/x
  3. Step 3: Cross multiply
    867,071,807.91x = 1,196,560,279.83 × 470,594,803.58
  4. Step 4: Simplify right side
    867,071,807.91x = 563,095,049,852,245,824
  5. Step 5: Solve for x
    x = 563,095,049,852,245,824/867,071,807.91
  6. Step 6: Final answer
    x = 649,421,472.03

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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.