Home / 897,263,907.80-1,345,895,861.70-413,534,499.80

Finding the Fourth Proportional to 897,263,907.80, 1,345,895,861.70 and 413,534,499.80

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Solution

The fourth proportional to 897,263,907.80, 1,345,895,861.70 and 413,534,499.80 is: 620,301,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,263,907.80 : 1,345,895,861.70 = 413,534,499.80 : x
  2. Step 2: Convert to fraction form
    897,263,907.80/1,345,895,861.70 = 413,534,499.80/x
  3. Step 3: Cross multiply
    897,263,907.80x = 1,345,895,861.70 × 413,534,499.80
  4. Step 4: Simplify right side
    897,263,907.80x = 556,574,371,950,999,488
  5. Step 5: Solve for x
    x = 556,574,371,950,999,488/897,263,907.80
  6. Step 6: Final answer
    x = 620,301,749.70

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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.