Home / 816,587,842,927.15-1,126,885,490,612.70-445,791,260,861.35

Finding the Fourth Proportional to 816,587,842,927.15, 1,126,885,490,612.70 and 445,791,260,861.35

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Solution

The fourth proportional to 816,587,842,927.15, 1,126,885,490,612.70 and 445,791,260,861.35 is: 615,188,810,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,587,842,927.15 : 1,126,885,490,612.70 = 445,791,260,861.35 : x
  2. Step 2: Convert to fraction form
    816,587,842,927.15/1,126,885,490,612.70 = 445,791,260,861.35/x
  3. Step 3: Cross multiply
    816,587,842,927.15x = 1,126,885,490,612.70 × 445,791,260,861.35
  4. Step 4: Simplify right side
    816,587,842,927.15x = 502,355,703,706,596,501,618,688
  5. Step 5: Solve for x
    x = 502,355,703,706,596,501,618,688/816,587,842,927.15
  6. Step 6: Final answer
    x = 615,188,810,435.69

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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.