Home / 15,365,700,636.41-21,183,813,592.07-10,781,736,870.48

Finding the Fourth Proportional to 15,365,700,636.41, 21,183,813,592.07 and 10,781,736,870.48

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Solution

The fourth proportional to 15,365,700,636.41, 21,183,813,592.07 and 10,781,736,870.48 is: 14,864,164,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,700,636.41 : 21,183,813,592.07 = 10,781,736,870.48 : x
  2. Step 2: Convert to fraction form
    15,365,700,636.41/21,183,813,592.07 = 10,781,736,870.48/x
  3. Step 3: Cross multiply
    15,365,700,636.41x = 21,183,813,592.07 × 10,781,736,870.48
  4. Step 4: Simplify right side
    15,365,700,636.41x = 228,398,304,062,942,543,872
  5. Step 5: Solve for x
    x = 228,398,304,062,942,543,872/15,365,700,636.41
  6. Step 6: Final answer
    x = 14,864,164,639.64

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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.