Home / 12,265,655,345.70-18,398,483,018.55-5,281,812,017.70

Finding the Fourth Proportional to 12,265,655,345.70, 18,398,483,018.55 and 5,281,812,017.70

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Solution

The fourth proportional to 12,265,655,345.70, 18,398,483,018.55 and 5,281,812,017.70 is: 7,922,718,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,655,345.70 : 18,398,483,018.55 = 5,281,812,017.70 : x
  2. Step 2: Convert to fraction form
    12,265,655,345.70/18,398,483,018.55 = 5,281,812,017.70/x
  3. Step 3: Cross multiply
    12,265,655,345.70x = 18,398,483,018.55 × 5,281,812,017.70
  4. Step 4: Simplify right side
    12,265,655,345.70x = 97,177,328,714,826,760,192
  5. Step 5: Solve for x
    x = 97,177,328,714,826,760,192/12,265,655,345.70
  6. Step 6: Final answer
    x = 7,922,718,026.55

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Double scale
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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.