Home / 1,019,917,411.20-1,529,876,116.80-997,242,595.20

Finding the Fourth Proportional to 1,019,917,411.20, 1,529,876,116.80 and 997,242,595.20

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Solution

The fourth proportional to 1,019,917,411.20, 1,529,876,116.80 and 997,242,595.20 is: 1,495,863,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,917,411.20 : 1,529,876,116.80 = 997,242,595.20 : x
  2. Step 2: Convert to fraction form
    1,019,917,411.20/1,529,876,116.80 = 997,242,595.20/x
  3. Step 3: Cross multiply
    1,019,917,411.20x = 1,529,876,116.80 × 997,242,595.20
  4. Step 4: Simplify right side
    1,019,917,411.20x = 1,525,657,629,052,130,304
  5. Step 5: Solve for x
    x = 1,525,657,629,052,130,304/1,019,917,411.20
  6. Step 6: Final answer
    x = 1,495,863,892.80

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Double scale
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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.