Home / 1,071,920,160.83-1,479,260,224.81-619,764,179.32

Finding the Fourth Proportional to 1,071,920,160.83, 1,479,260,224.81 and 619,764,179.32

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Solution

The fourth proportional to 1,071,920,160.83, 1,479,260,224.81 and 619,764,179.32 is: 855,280,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,920,160.83 : 1,479,260,224.81 = 619,764,179.32 : x
  2. Step 2: Convert to fraction form
    1,071,920,160.83/1,479,260,224.81 = 619,764,179.32/x
  3. Step 3: Cross multiply
    1,071,920,160.83x = 1,479,260,224.81 × 619,764,179.32
  4. Step 4: Simplify right side
    1,071,920,160.83x = 916,792,499,232,681,088
  5. Step 5: Solve for x
    x = 916,792,499,232,681,088/1,071,920,160.83
  6. Step 6: Final answer
    x = 855,280,582.20

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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.