Home / 786,657,512.10-1,085,587,583.94-434,233,732.44

Finding the Fourth Proportional to 786,657,512.10, 1,085,587,583.94 and 434,233,732.44

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Solution

The fourth proportional to 786,657,512.10, 1,085,587,583.94 and 434,233,732.44 is: 599,242,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,657,512.10 : 1,085,587,583.94 = 434,233,732.44 : x
  2. Step 2: Convert to fraction form
    786,657,512.10/1,085,587,583.94 = 434,233,732.44/x
  3. Step 3: Cross multiply
    786,657,512.10x = 1,085,587,583.94 × 434,233,732.44
  4. Step 4: Simplify right side
    786,657,512.10x = 471,398,748,464,788,032
  5. Step 5: Solve for x
    x = 471,398,748,464,788,032/786,657,512.10
  6. Step 6: Final answer
    x = 599,242,670.68

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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.