Home / 1,328,487,407.60-1,993,864,852.20-592,689,628.40

Finding the Fourth Proportional to 1,328,487,407.60, 1,993,864,852.20 and 592,689,628.40

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Solution

The fourth proportional to 1,328,487,407.60, 1,993,864,852.20 and 592,689,628.40 is: 889,540,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,487,407.60 : 1,993,864,852.20 = 592,689,628.40 : x
  2. Step 2: Convert to fraction form
    1,328,487,407.60/1,993,864,852.20 = 592,689,628.40/x
  3. Step 3: Cross multiply
    1,328,487,407.60x = 1,993,864,852.20 × 592,689,628.40
  4. Step 4: Simplify right side
    1,328,487,407.60x = 1,181,743,018,330,238,976
  5. Step 5: Solve for x
    x = 1,181,743,018,330,238,976/1,328,487,407.60
  6. Step 6: Final answer
    x = 889,540,248.23

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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.