Home / 670,444,852.40-925,294,441.60-406,119,089.84

Finding the Fourth Proportional to 670,444,852.40, 925,294,441.60 and 406,119,089.84

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Solution

The fourth proportional to 670,444,852.40, 925,294,441.60 and 406,119,089.84 is: 560,493,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,444,852.40 : 925,294,441.60 = 406,119,089.84 : x
  2. Step 2: Convert to fraction form
    670,444,852.40/925,294,441.60 = 406,119,089.84/x
  3. Step 3: Cross multiply
    670,444,852.40x = 925,294,441.60 × 406,119,089.84
  4. Step 4: Simplify right side
    670,444,852.40x = 375,779,736,456,603,008
  5. Step 5: Solve for x
    x = 375,779,736,456,603,008/670,444,852.40
  6. Step 6: Final answer
    x = 560,493,133.94

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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.