Home / 418,903,523,539.02-628,355,293,622.88-100,549,722,333.13

Finding the Fourth Proportional to 418,903,523,539.02, 628,355,293,622.88 and 100,549,722,333.13

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Solution

The fourth proportional to 418,903,523,539.02, 628,355,293,622.88 and 100,549,722,333.13 is: 150,824,585,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,523,539.02 : 628,355,293,622.88 = 100,549,722,333.13 : x
  2. Step 2: Convert to fraction form
    418,903,523,539.02/628,355,293,622.88 = 100,549,722,333.13/x
  3. Step 3: Cross multiply
    418,903,523,539.02x = 628,355,293,622.88 × 100,549,722,333.13
  4. Step 4: Simplify right side
    418,903,523,539.02x = 63,180,950,300,332,956,581,888
  5. Step 5: Solve for x
    x = 63,180,950,300,332,956,581,888/418,903,523,539.02
  6. Step 6: Final answer
    x = 150,824,585,495.40

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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.