Home / 867,071,455.83-1,196,559,790.70-470,594,450.52

Finding the Fourth Proportional to 867,071,455.83, 1,196,559,790.70 and 470,594,450.52

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Solution

The fourth proportional to 867,071,455.83, 1,196,559,790.70 and 470,594,450.52 is: 649,420,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,071,455.83 : 1,196,559,790.70 = 470,594,450.52 : x
  2. Step 2: Convert to fraction form
    867,071,455.83/1,196,559,790.70 = 470,594,450.52/x
  3. Step 3: Cross multiply
    867,071,455.83x = 1,196,559,790.70 × 470,594,450.52
  4. Step 4: Simplify right side
    867,071,455.83x = 563,094,397,216,439,680
  5. Step 5: Solve for x
    x = 563,094,397,216,439,680/867,071,455.83
  6. Step 6: Final answer
    x = 649,420,983.05

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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.