Home / 670,124,233.60-1,005,280,828.80-210,014,425.60

Finding the Fourth Proportional to 670,124,233.60, 1,005,280,828.80 and 210,014,425.60

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Solution

The fourth proportional to 670,124,233.60, 1,005,280,828.80 and 210,014,425.60 is: 315,051,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,124,233.60 : 1,005,280,828.80 = 210,014,425.60 : x
  2. Step 2: Convert to fraction form
    670,124,233.60/1,005,280,828.80 = 210,014,425.60/x
  3. Step 3: Cross multiply
    670,124,233.60x = 1,005,280,828.80 × 210,014,425.60
  4. Step 4: Simplify right side
    670,124,233.60x = 211,123,475,827,123,936
  5. Step 5: Solve for x
    x = 211,123,475,827,123,936/670,124,233.60
  6. Step 6: Final answer
    x = 315,051,247.58

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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.