Home / 989,070,478.08-1,364,848,982.88-549,002,688

Finding the Fourth Proportional to 989,070,478.08, 1,364,848,982.88 and 549,002,688

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Solution

The fourth proportional to 989,070,478.08, 1,364,848,982.88 and 549,002,688 is: 757,585,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,070,478.08 : 1,364,848,982.88 = 549,002,688 : x
  2. Step 2: Convert to fraction form
    989,070,478.08/1,364,848,982.88 = 549,002,688/x
  3. Step 3: Cross multiply
    989,070,478.08x = 1,364,848,982.88 × 549,002,688
  4. Step 4: Simplify right side
    989,070,478.08x = 749,305,760,315,186,048
  5. Step 5: Solve for x
    x = 749,305,760,315,186,048/989,070,478.08
  6. Step 6: Final answer
    x = 757,585,811.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.