Home / 1,310,329,816.75-1,965,770,804.80-424,946,139.16

Finding the Fourth Proportional to 1,310,329,816.75, 1,965,770,804.80 and 424,946,139.16

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Solution

The fourth proportional to 1,310,329,816.75, 1,965,770,804.80 and 424,946,139.16 is: 637,508,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,329,816.75 : 1,965,770,804.80 = 424,946,139.16 : x
  2. Step 2: Convert to fraction form
    1,310,329,816.75/1,965,770,804.80 = 424,946,139.16/x
  3. Step 3: Cross multiply
    1,310,329,816.75x = 1,965,770,804.80 × 424,946,139.16
  4. Step 4: Simplify right side
    1,310,329,816.75x = 835,346,713,963,377,024
  5. Step 5: Solve for x
    x = 835,346,713,963,377,024/1,310,329,816.75
  6. Step 6: Final answer
    x = 637,508,742.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.