Home / 1,304,334,451.46-1,799,995,815.69-709,622,316.74

Finding the Fourth Proportional to 1,304,334,451.46, 1,799,995,815.69 and 709,622,316.74

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Solution

The fourth proportional to 1,304,334,451.46, 1,799,995,815.69 and 709,622,316.74 is: 979,286,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,334,451.46 : 1,799,995,815.69 = 709,622,316.74 : x
  2. Step 2: Convert to fraction form
    1,304,334,451.46/1,799,995,815.69 = 709,622,316.74/x
  3. Step 3: Cross multiply
    1,304,334,451.46x = 1,799,995,815.69 × 709,622,316.74
  4. Step 4: Simplify right side
    1,304,334,451.46x = 1,277,317,200,852,243,968
  5. Step 5: Solve for x
    x = 1,277,317,200,852,243,968/1,304,334,451.46
  6. Step 6: Final answer
    x = 979,286,562.14

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Half scale
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Double scale
Find fourth proportional to 1,304,334,452.46, 1,799,995,817.07 and 709,622,317.74
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.