Home / 938,255,625.81-1,294,812,539.91-514,865,583.81

Finding the Fourth Proportional to 938,255,625.81, 1,294,812,539.91 and 514,865,583.81

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Solution

The fourth proportional to 938,255,625.81, 1,294,812,539.91 and 514,865,583.81 is: 710,525,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,255,625.81 : 1,294,812,539.91 = 514,865,583.81 : x
  2. Step 2: Convert to fraction form
    938,255,625.81/1,294,812,539.91 = 514,865,583.81/x
  3. Step 3: Cross multiply
    938,255,625.81x = 1,294,812,539.91 × 514,865,583.81
  4. Step 4: Simplify right side
    938,255,625.81x = 666,654,414,285,271,168
  5. Step 5: Solve for x
    x = 666,654,414,285,271,168/938,255,625.81
  6. Step 6: Final answer
    x = 710,525,357.85

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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.