Home / 637,627,427.30-879,898,662.69-355,354,848.02

Finding the Fourth Proportional to 637,627,427.30, 879,898,662.69 and 355,354,848.02

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Solution

The fourth proportional to 637,627,427.30, 879,898,662.69 and 355,354,848.02 is: 490,374,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,627,427.30 : 879,898,662.69 = 355,354,848.02 : x
  2. Step 2: Convert to fraction form
    637,627,427.30/879,898,662.69 = 355,354,848.02/x
  3. Step 3: Cross multiply
    637,627,427.30x = 879,898,662.69 × 355,354,848.02
  4. Step 4: Simplify right side
    637,627,427.30x = 312,676,255,553,206,208
  5. Step 5: Solve for x
    x = 312,676,255,553,206,208/637,627,427.30
  6. Step 6: Final answer
    x = 490,374,538.74

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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.