Home / 786,254,827.23-1,085,054,372.16-433,853,511.71

Finding the Fourth Proportional to 786,254,827.23, 1,085,054,372.16 and 433,853,511.71

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Solution

The fourth proportional to 786,254,827.23, 1,085,054,372.16 and 433,853,511.71 is: 598,730,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,254,827.23 : 1,085,054,372.16 = 433,853,511.71 : x
  2. Step 2: Convert to fraction form
    786,254,827.23/1,085,054,372.16 = 433,853,511.71/x
  3. Step 3: Cross multiply
    786,254,827.23x = 1,085,054,372.16 × 433,853,511.71
  4. Step 4: Simplify right side
    786,254,827.23x = 470,754,649,752,480,000
  5. Step 5: Solve for x
    x = 470,754,649,752,480,000/786,254,827.23
  6. Step 6: Final answer
    x = 598,730,377.80

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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.