Home / 368,417,050.64-508,460,117.28-209,685,769.28

Finding the Fourth Proportional to 368,417,050.64, 508,460,117.28 and 209,685,769.28

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Solution

The fourth proportional to 368,417,050.64, 508,460,117.28 and 209,685,769.28 is: 289,391,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,417,050.64 : 508,460,117.28 = 209,685,769.28 : x
  2. Step 2: Convert to fraction form
    368,417,050.64/508,460,117.28 = 209,685,769.28/x
  3. Step 3: Cross multiply
    368,417,050.64x = 508,460,117.28 × 209,685,769.28
  4. Step 4: Simplify right side
    368,417,050.64x = 106,616,850,840,055,808
  5. Step 5: Solve for x
    x = 106,616,850,840,055,808/368,417,050.64
  6. Step 6: Final answer
    x = 289,391,738.67

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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.