Home / 1,990,657,024.80-2,985,985,537.20-610,460,570.40

Finding the Fourth Proportional to 1,990,657,024.80, 2,985,985,537.20 and 610,460,570.40

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Solution

The fourth proportional to 1,990,657,024.80, 2,985,985,537.20 and 610,460,570.40 is: 915,690,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,024.80 : 2,985,985,537.20 = 610,460,570.40 : x
  2. Step 2: Convert to fraction form
    1,990,657,024.80/2,985,985,537.20 = 610,460,570.40/x
  3. Step 3: Cross multiply
    1,990,657,024.80x = 2,985,985,537.20 × 610,460,570.40
  4. Step 4: Simplify right side
    1,990,657,024.80x = 1,822,826,434,245,262,336
  5. Step 5: Solve for x
    x = 1,822,826,434,245,262,336/1,990,657,024.80
  6. Step 6: Final answer
    x = 915,690,855.60

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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.