Home / 426,045,783.60-639,068,675.40-183,708,687.60

Finding the Fourth Proportional to 426,045,783.60, 639,068,675.40 and 183,708,687.60

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Solution

The fourth proportional to 426,045,783.60, 639,068,675.40 and 183,708,687.60 is: 275,563,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,045,783.60 : 639,068,675.40 = 183,708,687.60 : x
  2. Step 2: Convert to fraction form
    426,045,783.60/639,068,675.40 = 183,708,687.60/x
  3. Step 3: Cross multiply
    426,045,783.60x = 639,068,675.40 × 183,708,687.60
  4. Step 4: Simplify right side
    426,045,783.60x = 117,402,467,644,004,400
  5. Step 5: Solve for x
    x = 117,402,467,644,004,400/426,045,783.60
  6. Step 6: Final answer
    x = 275,563,031.40

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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.