Home / 288,729,564.40-433,094,346.60-278,525,897.20

Finding the Fourth Proportional to 288,729,564.40, 433,094,346.60 and 278,525,897.20

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Solution

The fourth proportional to 288,729,564.40, 433,094,346.60 and 278,525,897.20 is: 417,788,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,729,564.40 : 433,094,346.60 = 278,525,897.20 : x
  2. Step 2: Convert to fraction form
    288,729,564.40/433,094,346.60 = 278,525,897.20/x
  3. Step 3: Cross multiply
    288,729,564.40x = 433,094,346.60 × 278,525,897.20
  4. Step 4: Simplify right side
    288,729,564.40x = 120,627,991,459,012,768
  5. Step 5: Solve for x
    x = 120,627,991,459,012,768/288,729,564.40
  6. Step 6: Final answer
    x = 417,788,845.80

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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.