Home / 670,950,903.48-1,006,089,573.48-390,922,458.96

Finding the Fourth Proportional to 670,950,903.48, 1,006,089,573.48 and 390,922,458.96

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Solution

The fourth proportional to 670,950,903.48, 1,006,089,573.48 and 390,922,458.96 is: 586,187,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,950,903.48 : 1,006,089,573.48 = 390,922,458.96 : x
  2. Step 2: Convert to fraction form
    670,950,903.48/1,006,089,573.48 = 390,922,458.96/x
  3. Step 3: Cross multiply
    670,950,903.48x = 1,006,089,573.48 × 390,922,458.96
  4. Step 4: Simplify right side
    670,950,903.48x = 393,303,009,998,819,200
  5. Step 5: Solve for x
    x = 393,303,009,998,819,200/670,950,903.48
  6. Step 6: Final answer
    x = 586,187,466.12

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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.