Home / 1,308,440,965.38-1,962,678,543.43-435,042,333.69

Finding the Fourth Proportional to 1,308,440,965.38, 1,962,678,543.43 and 435,042,333.69

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Solution

The fourth proportional to 1,308,440,965.38, 1,962,678,543.43 and 435,042,333.69 is: 652,569,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,440,965.38 : 1,962,678,543.43 = 435,042,333.69 : x
  2. Step 2: Convert to fraction form
    1,308,440,965.38/1,962,678,543.43 = 435,042,333.69/x
  3. Step 3: Cross multiply
    1,308,440,965.38x = 1,962,678,543.43 × 435,042,333.69
  4. Step 4: Simplify right side
    1,308,440,965.38x = 853,848,253,817,077,248
  5. Step 5: Solve for x
    x = 853,848,253,817,077,248/1,308,440,965.38
  6. Step 6: Final answer
    x = 652,569,184.56

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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.