Home / 623,752,904.60-860,785,810.80-345,299,078.24

Finding the Fourth Proportional to 623,752,904.60, 860,785,810.80 and 345,299,078.24

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Solution

The fourth proportional to 623,752,904.60, 860,785,810.80 and 345,299,078.24 is: 476,516,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,752,904.60 : 860,785,810.80 = 345,299,078.24 : x
  2. Step 2: Convert to fraction form
    623,752,904.60/860,785,810.80 = 345,299,078.24/x
  3. Step 3: Cross multiply
    623,752,904.60x = 860,785,810.80 × 345,299,078.24
  4. Step 4: Simplify right side
    623,752,904.60x = 297,228,547,032,168,128
  5. Step 5: Solve for x
    x = 297,228,547,032,168,128/623,752,904.60
  6. Step 6: Final answer
    x = 476,516,493.69

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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.