Home / 295,245,830.70-442,868,746.05-213,191,340.30

Finding the Fourth Proportional to 295,245,830.70, 442,868,746.05 and 213,191,340.30

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Solution

The fourth proportional to 295,245,830.70, 442,868,746.05 and 213,191,340.30 is: 319,787,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,830.70 : 442,868,746.05 = 213,191,340.30 : x
  2. Step 2: Convert to fraction form
    295,245,830.70/442,868,746.05 = 213,191,340.30/x
  3. Step 3: Cross multiply
    295,245,830.70x = 442,868,746.05 × 213,191,340.30
  4. Step 4: Simplify right side
    295,245,830.70x = 94,415,781,547,379,840
  5. Step 5: Solve for x
    x = 94,415,781,547,379,840/295,245,830.70
  6. Step 6: Final answer
    x = 319,787,010.45

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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.