Home / 18,779,067,051.30-28,168,600,576.95-10,071,937,707.30

Finding the Fourth Proportional to 18,779,067,051.30, 28,168,600,576.95 and 10,071,937,707.30

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Solution

The fourth proportional to 18,779,067,051.30, 28,168,600,576.95 and 10,071,937,707.30 is: 15,107,906,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,067,051.30 : 28,168,600,576.95 = 10,071,937,707.30 : x
  2. Step 2: Convert to fraction form
    18,779,067,051.30/28,168,600,576.95 = 10,071,937,707.30/x
  3. Step 3: Cross multiply
    18,779,067,051.30x = 28,168,600,576.95 × 10,071,937,707.30
  4. Step 4: Simplify right side
    18,779,067,051.30x = 283,712,390,312,855,240,704
  5. Step 5: Solve for x
    x = 283,712,390,312,855,240,704/18,779,067,051.30
  6. Step 6: Final answer
    x = 15,107,906,560.95

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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.