Home / 538,860,826.77-808,287,848.39-289,983,316.94

Finding the Fourth Proportional to 538,860,826.77, 808,287,848.39 and 289,983,316.94

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Solution

The fourth proportional to 538,860,826.77, 808,287,848.39 and 289,983,316.94 is: 434,973,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,860,826.77 : 808,287,848.39 = 289,983,316.94 : x
  2. Step 2: Convert to fraction form
    538,860,826.77/808,287,848.39 = 289,983,316.94/x
  3. Step 3: Cross multiply
    538,860,826.77x = 808,287,848.39 × 289,983,316.94
  4. Step 4: Simplify right side
    538,860,826.77x = 234,389,991,312,936,672
  5. Step 5: Solve for x
    x = 234,389,991,312,936,672/538,860,826.77
  6. Step 6: Final answer
    x = 434,973,150.15

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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.