Home / 1,292,693,184.49-1,939,312,140.50-419,226,444.85

Finding the Fourth Proportional to 1,292,693,184.49, 1,939,312,140.50 and 419,226,444.85

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Solution

The fourth proportional to 1,292,693,184.49, 1,939,312,140.50 and 419,226,444.85 is: 628,927,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,693,184.49 : 1,939,312,140.50 = 419,226,444.85 : x
  2. Step 2: Convert to fraction form
    1,292,693,184.49/1,939,312,140.50 = 419,226,444.85/x
  3. Step 3: Cross multiply
    1,292,693,184.49x = 1,939,312,140.50 × 419,226,444.85
  4. Step 4: Simplify right side
    1,292,693,184.49x = 813,010,934,114,162,560
  5. Step 5: Solve for x
    x = 813,010,934,114,162,560/1,292,693,184.49
  6. Step 6: Final answer
    x = 628,927,996.12

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Double scale
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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.