Home / 418,903,596,955.12-628,355,403,736.08-100,549,795,678.72

Finding the Fourth Proportional to 418,903,596,955.12, 628,355,403,736.08 and 100,549,795,678.72

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Solution

The fourth proportional to 418,903,596,955.12, 628,355,403,736.08 and 100,549,795,678.72 is: 150,824,695,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,596,955.12 : 628,355,403,736.08 = 100,549,795,678.72 : x
  2. Step 2: Convert to fraction form
    418,903,596,955.12/628,355,403,736.08 = 100,549,795,678.72/x
  3. Step 3: Cross multiply
    418,903,596,955.12x = 628,355,403,736.08 × 100,549,795,678.72
  4. Step 4: Simplify right side
    418,903,596,955.12x = 63,181,007,459,282,453,528,576
  5. Step 5: Solve for x
    x = 63,181,007,459,282,453,528,576/418,903,596,955.12
  6. Step 6: Final answer
    x = 150,824,695,511.15

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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.