Home / 2,158,778,415.51-2,979,268,373.15-1,193,141,543.24

Finding the Fourth Proportional to 2,158,778,415.51, 2,979,268,373.15 and 1,193,141,543.24

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Solution

The fourth proportional to 2,158,778,415.51, 2,979,268,373.15 and 1,193,141,543.24 is: 1,646,620,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,778,415.51 : 2,979,268,373.15 = 1,193,141,543.24 : x
  2. Step 2: Convert to fraction form
    2,158,778,415.51/2,979,268,373.15 = 1,193,141,543.24/x
  3. Step 3: Cross multiply
    2,158,778,415.51x = 2,979,268,373.15 × 1,193,141,543.24
  4. Step 4: Simplify right side
    2,158,778,415.51x = 3,554,688,864,466,315,264
  5. Step 5: Solve for x
    x = 3,554,688,864,466,315,264/2,158,778,415.51
  6. Step 6: Final answer
    x = 1,646,620,532.67

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Double scale
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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.