Home / 459,832,274.80-689,748,412.20-414,482,642.80

Finding the Fourth Proportional to 459,832,274.80, 689,748,412.20 and 414,482,642.80

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Solution

The fourth proportional to 459,832,274.80, 689,748,412.20 and 414,482,642.80 is: 621,723,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,832,274.80 : 689,748,412.20 = 414,482,642.80 : x
  2. Step 2: Convert to fraction form
    459,832,274.80/689,748,412.20 = 414,482,642.80/x
  3. Step 3: Cross multiply
    459,832,274.80x = 689,748,412.20 × 414,482,642.80
  4. Step 4: Simplify right side
    459,832,274.80x = 285,888,744,755,759,776
  5. Step 5: Solve for x
    x = 285,888,744,755,759,776/459,832,274.80
  6. Step 6: Final answer
    x = 621,723,964.20

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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.