Home / 6,438,528,083.10-9,657,792,124.65-6,257,129,555.10

Finding the Fourth Proportional to 6,438,528,083.10, 9,657,792,124.65 and 6,257,129,555.10

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Solution

The fourth proportional to 6,438,528,083.10, 9,657,792,124.65 and 6,257,129,555.10 is: 9,385,694,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,083.10 : 9,657,792,124.65 = 6,257,129,555.10 : x
  2. Step 2: Convert to fraction form
    6,438,528,083.10/9,657,792,124.65 = 6,257,129,555.10/x
  3. Step 3: Cross multiply
    6,438,528,083.10x = 9,657,792,124.65 × 6,257,129,555.10
  4. Step 4: Simplify right side
    6,438,528,083.10x = 60,430,056,540,159,541,248
  5. Step 5: Solve for x
    x = 60,430,056,540,159,541,248/6,438,528,083.10
  6. Step 6: Final answer
    x = 9,385,694,332.65

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Double scale
Find fourth proportional to 6,438,528,084.10, 9,657,792,126.15 and 6,257,129,556.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.