Home / 822,506,783.06-1,134,783,331.16-469,833,087.62

Finding the Fourth Proportional to 822,506,783.06, 1,134,783,331.16 and 469,833,087.62

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Solution

The fourth proportional to 822,506,783.06, 1,134,783,331.16 and 469,833,087.62 is: 648,211,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,506,783.06 : 1,134,783,331.16 = 469,833,087.62 : x
  2. Step 2: Convert to fraction form
    822,506,783.06/1,134,783,331.16 = 469,833,087.62/x
  3. Step 3: Cross multiply
    822,506,783.06x = 1,134,783,331.16 × 469,833,087.62
  4. Step 4: Simplify right side
    822,506,783.06x = 533,158,756,259,099,520
  5. Step 5: Solve for x
    x = 533,158,756,259,099,520/822,506,783.06
  6. Step 6: Final answer
    x = 648,211,987.11

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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.