Home / 7,778,606,506.76-10,734,477,504.02-4,258,341,322.76

Finding the Fourth Proportional to 7,778,606,506.76, 10,734,477,504.02 and 4,258,341,322.76

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Solution

The fourth proportional to 7,778,606,506.76, 10,734,477,504.02 and 4,258,341,322.76 is: 5,876,511,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,606,506.76 : 10,734,477,504.02 = 4,258,341,322.76 : x
  2. Step 2: Convert to fraction form
    7,778,606,506.76/10,734,477,504.02 = 4,258,341,322.76/x
  3. Step 3: Cross multiply
    7,778,606,506.76x = 10,734,477,504.02 × 4,258,341,322.76
  4. Step 4: Simplify right side
    7,778,606,506.76x = 45,711,069,133,531,021,312
  5. Step 5: Solve for x
    x = 45,711,069,133,531,021,312/7,778,606,506.76
  6. Step 6: Final answer
    x = 5,876,511,312.64

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Double scale
Find fourth proportional to 7,778,606,507.76, 10,734,477,505.40 and 4,258,341,323.76
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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.