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Finding the Fourth Proportional to 889,758,019.20, 1,334,637,028.80 and 598,764,547.20

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Solution

The fourth proportional to 889,758,019.20, 1,334,637,028.80 and 598,764,547.20 is: 898,146,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,758,019.20 : 1,334,637,028.80 = 598,764,547.20 : x
  2. Step 2: Convert to fraction form
    889,758,019.20/1,334,637,028.80 = 598,764,547.20/x
  3. Step 3: Cross multiply
    889,758,019.20x = 1,334,637,028.80 × 598,764,547.20
  4. Step 4: Simplify right side
    889,758,019.20x = 799,133,336,225,785,344
  5. Step 5: Solve for x
    x = 799,133,336,225,785,344/889,758,019.20
  6. Step 6: Final answer
    x = 898,146,820.80

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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.