Home / 1,020,088,511.16-1,529,629,669.26-429,770,963.40

Finding the Fourth Proportional to 1,020,088,511.16, 1,529,629,669.26 and 429,770,963.40

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Solution

The fourth proportional to 1,020,088,511.16, 1,529,629,669.26 and 429,770,963.40 is: 644,444,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,088,511.16 : 1,529,629,669.26 = 429,770,963.40 : x
  2. Step 2: Convert to fraction form
    1,020,088,511.16/1,529,629,669.26 = 429,770,963.40/x
  3. Step 3: Cross multiply
    1,020,088,511.16x = 1,529,629,669.26 × 429,770,963.40
  4. Step 4: Simplify right side
    1,020,088,511.16x = 657,390,416,603,093,504
  5. Step 5: Solve for x
    x = 657,390,416,603,093,504/1,020,088,511.16
  6. Step 6: Final answer
    x = 644,444,486.35

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Double scale
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1.5x scale

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.