Home / 1,299,004,697.16-1,792,639,803.51-704,290,331.70

Finding the Fourth Proportional to 1,299,004,697.16, 1,792,639,803.51 and 704,290,331.70

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Solution

The fourth proportional to 1,299,004,697.16, 1,792,639,803.51 and 704,290,331.70 is: 971,927,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,004,697.16 : 1,792,639,803.51 = 704,290,331.70 : x
  2. Step 2: Convert to fraction form
    1,299,004,697.16/1,792,639,803.51 = 704,290,331.70/x
  3. Step 3: Cross multiply
    1,299,004,697.16x = 1,792,639,803.51 × 704,290,331.70
  4. Step 4: Simplify right side
    1,299,004,697.16x = 1,262,538,881,832,680,704
  5. Step 5: Solve for x
    x = 1,262,538,881,832,680,704/1,299,004,697.16
  6. Step 6: Final answer
    x = 971,927,880.32

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Double scale
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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.