Home / 519,913,161.90-779,680,786.05-174,878,045.10

Finding the Fourth Proportional to 519,913,161.90, 779,680,786.05 and 174,878,045.10

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Solution

The fourth proportional to 519,913,161.90, 779,680,786.05 and 174,878,045.10 is: 262,253,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,913,161.90 : 779,680,786.05 = 174,878,045.10 : x
  2. Step 2: Convert to fraction form
    519,913,161.90/779,680,786.05 = 174,878,045.10/x
  3. Step 3: Cross multiply
    519,913,161.90x = 779,680,786.05 × 174,878,045.10
  4. Step 4: Simplify right side
    519,913,161.90x = 136,349,051,666,455,344
  5. Step 5: Solve for x
    x = 136,349,051,666,455,344/519,913,161.90
  6. Step 6: Final answer
    x = 262,253,510.12

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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.