Home / 672,047,999.40-1,006,938,258.30-326,257,055.40

Finding the Fourth Proportional to 672,047,999.40, 1,006,938,258.30 and 326,257,055.40

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Solution

The fourth proportional to 672,047,999.40, 1,006,938,258.30 and 326,257,055.40 is: 488,835,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,047,999.40 : 1,006,938,258.30 = 326,257,055.40 : x
  2. Step 2: Convert to fraction form
    672,047,999.40/1,006,938,258.30 = 326,257,055.40/x
  3. Step 3: Cross multiply
    672,047,999.40x = 1,006,938,258.30 × 326,257,055.40
  4. Step 4: Simplify right side
    672,047,999.40x = 328,520,711,122,562,560
  5. Step 5: Solve for x
    x = 328,520,711,122,562,560/672,047,999.40
  6. Step 6: Final answer
    x = 488,835,189.47

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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.