Home / 294,869,808,010.40-442,304,712,015.60-286,604,837,578.40

Finding the Fourth Proportional to 294,869,808,010.40, 442,304,712,015.60 and 286,604,837,578.40

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Solution

The fourth proportional to 294,869,808,010.40, 442,304,712,015.60 and 286,604,837,578.40 is: 429,907,256,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,869,808,010.40 : 442,304,712,015.60 = 286,604,837,578.40 : x
  2. Step 2: Convert to fraction form
    294,869,808,010.40/442,304,712,015.60 = 286,604,837,578.40/x
  3. Step 3: Cross multiply
    294,869,808,010.40x = 442,304,712,015.60 × 286,604,837,578.40
  4. Step 4: Simplify right side
    294,869,808,010.40x = 126,766,670,147,392,028,803,072
  5. Step 5: Solve for x
    x = 126,766,670,147,392,028,803,072/294,869,808,010.40
  6. Step 6: Final answer
    x = 429,907,256,367.60

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1.5x scale

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.