Home / 558,974,106.36-771,352,788.60-308,077,738.20

Finding the Fourth Proportional to 558,974,106.36, 771,352,788.60 and 308,077,738.20

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Solution

The fourth proportional to 558,974,106.36, 771,352,788.60 and 308,077,738.20 is: 425,129,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,974,106.36 : 771,352,788.60 = 308,077,738.20 : x
  2. Step 2: Convert to fraction form
    558,974,106.36/771,352,788.60 = 308,077,738.20/x
  3. Step 3: Cross multiply
    558,974,106.36x = 771,352,788.60 × 308,077,738.20
  4. Step 4: Simplify right side
    558,974,106.36x = 237,636,622,466,150,752
  5. Step 5: Solve for x
    x = 237,636,622,466,150,752/558,974,106.36
  6. Step 6: Final answer
    x = 425,129,929.57

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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.