Home / 1,117,134,692.80-1,676,457,866.40-503,403,006.40

Finding the Fourth Proportional to 1,117,134,692.80, 1,676,457,866.40 and 503,403,006.40

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Solution

The fourth proportional to 1,117,134,692.80, 1,676,457,866.40 and 503,403,006.40 is: 755,445,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,134,692.80 : 1,676,457,866.40 = 503,403,006.40 : x
  2. Step 2: Convert to fraction form
    1,117,134,692.80/1,676,457,866.40 = 503,403,006.40/x
  3. Step 3: Cross multiply
    1,117,134,692.80x = 1,676,457,866.40 × 503,403,006.40
  4. Step 4: Simplify right side
    1,117,134,692.80x = 843,933,930,048,689,536
  5. Step 5: Solve for x
    x = 843,933,930,048,689,536/1,117,134,692.80
  6. Step 6: Final answer
    x = 755,445,100.30

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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.