Home / 12,779,616,763.50-19,168,516,009.35-3,935,533,406.82

Finding the Fourth Proportional to 12,779,616,763.50, 19,168,516,009.35 and 3,935,533,406.82

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Solution

The fourth proportional to 12,779,616,763.50, 19,168,516,009.35 and 3,935,533,406.82 is: 5,903,020,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,616,763.50 : 19,168,516,009.35 = 3,935,533,406.82 : x
  2. Step 2: Convert to fraction form
    12,779,616,763.50/19,168,516,009.35 = 3,935,533,406.82/x
  3. Step 3: Cross multiply
    12,779,616,763.50x = 19,168,516,009.35 × 3,935,533,406.82
  4. Step 4: Simplify right side
    12,779,616,763.50x = 75,438,335,113,960,914,944
  5. Step 5: Solve for x
    x = 75,438,335,113,960,914,944/12,779,616,763.50
  6. Step 6: Final answer
    x = 5,903,020,138.24

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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.