Home / 1,208,318,490.18-1,813,446,288.27-626,219,155.62

Finding the Fourth Proportional to 1,208,318,490.18, 1,813,446,288.27 and 626,219,155.62

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Solution

The fourth proportional to 1,208,318,490.18, 1,813,446,288.27 and 626,219,155.62 is: 939,830,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,318,490.18 : 1,813,446,288.27 = 626,219,155.62 : x
  2. Step 2: Convert to fraction form
    1,208,318,490.18/1,813,446,288.27 = 626,219,155.62/x
  3. Step 3: Cross multiply
    1,208,318,490.18x = 1,813,446,288.27 × 626,219,155.62
  4. Step 4: Simplify right side
    1,208,318,490.18x = 1,135,614,803,402,662,528
  5. Step 5: Solve for x
    x = 1,135,614,803,402,662,528/1,208,318,490.18
  6. Step 6: Final answer
    x = 939,830,692.51

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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.