Home / 702,835,929.81-969,911,911.26-385,295,616.63

Finding the Fourth Proportional to 702,835,929.81, 969,911,911.26 and 385,295,616.63

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Solution

The fourth proportional to 702,835,929.81, 969,911,911.26 and 385,295,616.63 is: 531,707,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,835,929.81 : 969,911,911.26 = 385,295,616.63 : x
  2. Step 2: Convert to fraction form
    702,835,929.81/969,911,911.26 = 385,295,616.63/x
  3. Step 3: Cross multiply
    702,835,929.81x = 969,911,911.26 × 385,295,616.63
  4. Step 4: Simplify right side
    702,835,929.81x = 373,702,807,925,703,552
  5. Step 5: Solve for x
    x = 373,702,807,925,703,552/702,835,929.81
  6. Step 6: Final answer
    x = 531,707,034.42

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1.5x scale

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.