Home / 699,407,827.04-965,267,439.27-398,066,409.40

Finding the Fourth Proportional to 699,407,827.04, 965,267,439.27 and 398,066,409.40

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Solution

The fourth proportional to 699,407,827.04, 965,267,439.27 and 398,066,409.40 is: 549,379,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,407,827.04 : 965,267,439.27 = 398,066,409.40 : x
  2. Step 2: Convert to fraction form
    699,407,827.04/965,267,439.27 = 398,066,409.40/x
  3. Step 3: Cross multiply
    699,407,827.04x = 965,267,439.27 × 398,066,409.40
  4. Step 4: Simplify right side
    699,407,827.04x = 384,240,543,662,908,352
  5. Step 5: Solve for x
    x = 384,240,543,662,908,352/699,407,827.04
  6. Step 6: Final answer
    x = 549,379,816.48

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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.