Home / 12,779,605,195.08-17,636,536,421.46-7,140,957,923.40

Finding the Fourth Proportional to 12,779,605,195.08, 17,636,536,421.46 and 7,140,957,923.40

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Solution

The fourth proportional to 12,779,605,195.08, 17,636,536,421.46 and 7,140,957,923.40 is: 9,854,902,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,605,195.08 : 17,636,536,421.46 = 7,140,957,923.40 : x
  2. Step 2: Convert to fraction form
    12,779,605,195.08/17,636,536,421.46 = 7,140,957,923.40/x
  3. Step 3: Cross multiply
    12,779,605,195.08x = 17,636,536,421.46 × 7,140,957,923.40
  4. Step 4: Simplify right side
    12,779,605,195.08x = 125,941,764,500,157,448,192
  5. Step 5: Solve for x
    x = 125,941,764,500,157,448,192/12,779,605,195.08
  6. Step 6: Final answer
    x = 9,854,902,602.83

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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.