Home / 1,054,358,412.68-1,581,520,014.48-256,683,960.74

Finding the Fourth Proportional to 1,054,358,412.68, 1,581,520,014.48 and 256,683,960.74

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Solution

The fourth proportional to 1,054,358,412.68, 1,581,520,014.48 and 256,683,960.74 is: 385,021,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,358,412.68 : 1,581,520,014.48 = 256,683,960.74 : x
  2. Step 2: Convert to fraction form
    1,054,358,412.68/1,581,520,014.48 = 256,683,960.74/x
  3. Step 3: Cross multiply
    1,054,358,412.68x = 1,581,520,014.48 × 256,683,960.74
  4. Step 4: Simplify right side
    1,054,358,412.68x = 405,950,821,306,308,544
  5. Step 5: Solve for x
    x = 405,950,821,306,308,544/1,054,358,412.68
  6. Step 6: Final answer
    x = 385,021,655.28

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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.