Home / 294,867,777.60-442,301,666.40-289,128,214.80

Finding the Fourth Proportional to 294,867,777.60, 442,301,666.40 and 289,128,214.80

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Solution

The fourth proportional to 294,867,777.60, 442,301,666.40 and 289,128,214.80 is: 433,692,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,867,777.60 : 442,301,666.40 = 289,128,214.80 : x
  2. Step 2: Convert to fraction form
    294,867,777.60/442,301,666.40 = 289,128,214.80/x
  3. Step 3: Cross multiply
    294,867,777.60x = 442,301,666.40 × 289,128,214.80
  4. Step 4: Simplify right side
    294,867,777.60x = 127,881,891,209,297,136
  5. Step 5: Solve for x
    x = 127,881,891,209,297,136/294,867,777.60
  6. Step 6: Final answer
    x = 433,692,322.20

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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.