Home / 1,990,657,218.80-2,985,985,828.20-1,832,997,263.60

Finding the Fourth Proportional to 1,990,657,218.80, 2,985,985,828.20 and 1,832,997,263.60

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Solution

The fourth proportional to 1,990,657,218.80, 2,985,985,828.20 and 1,832,997,263.60 is: 2,749,495,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,218.80 : 2,985,985,828.20 = 1,832,997,263.60 : x
  2. Step 2: Convert to fraction form
    1,990,657,218.80/2,985,985,828.20 = 1,832,997,263.60/x
  3. Step 3: Cross multiply
    1,990,657,218.80x = 2,985,985,828.20 × 1,832,997,263.60
  4. Step 4: Simplify right side
    1,990,657,218.80x = 5,473,303,852,238,979,072
  5. Step 5: Solve for x
    x = 5,473,303,852,238,979,072/1,990,657,218.80
  6. Step 6: Final answer
    x = 2,749,495,895.40

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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.