Home / 623,752,917.49-860,785,828.56-345,299,091.13

Finding the Fourth Proportional to 623,752,917.49, 860,785,828.56 and 345,299,091.13

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Solution

The fourth proportional to 623,752,917.49, 860,785,828.56 and 345,299,091.13 is: 476,516,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,752,917.49 : 860,785,828.56 = 345,299,091.13 : x
  2. Step 2: Convert to fraction form
    623,752,917.49/860,785,828.56 = 345,299,091.13/x
  3. Step 3: Cross multiply
    623,752,917.49x = 860,785,828.56 × 345,299,091.13
  4. Step 4: Simplify right side
    623,752,917.49x = 297,228,564,255,048,064
  5. Step 5: Solve for x
    x = 297,228,564,255,048,064/623,752,917.49
  6. Step 6: Final answer
    x = 476,516,511.46

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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.