Home / 1,035,068,364.20-1,552,154,648.70-421,448,652.20

Finding the Fourth Proportional to 1,035,068,364.20, 1,552,154,648.70 and 421,448,652.20

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Solution

The fourth proportional to 1,035,068,364.20, 1,552,154,648.70 and 421,448,652.20 is: 631,990,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,068,364.20 : 1,552,154,648.70 = 421,448,652.20 : x
  2. Step 2: Convert to fraction form
    1,035,068,364.20/1,552,154,648.70 = 421,448,652.20/x
  3. Step 3: Cross multiply
    1,035,068,364.20x = 1,552,154,648.70 × 421,448,652.20
  4. Step 4: Simplify right side
    1,035,068,364.20x = 654,153,484,700,579,456
  5. Step 5: Solve for x
    x = 654,153,484,700,579,456/1,035,068,364.20
  6. Step 6: Final answer
    x = 631,990,607.89

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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.