Home / 19,011,594,493.12-26,238,728,699.40-11,390,941,347.52

Finding the Fourth Proportional to 19,011,594,493.12, 26,238,728,699.40 and 11,390,941,347.52

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Solution

The fourth proportional to 19,011,594,493.12, 26,238,728,699.40 and 11,390,941,347.52 is: 15,721,133,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,594,493.12 : 26,238,728,699.40 = 11,390,941,347.52 : x
  2. Step 2: Convert to fraction form
    19,011,594,493.12/26,238,728,699.40 = 11,390,941,347.52/x
  3. Step 3: Cross multiply
    19,011,594,493.12x = 26,238,728,699.40 × 11,390,941,347.52
  4. Step 4: Simplify right side
    19,011,594,493.12x = 298,883,819,648,355,139,584
  5. Step 5: Solve for x
    x = 298,883,819,648,355,139,584/19,011,594,493.12
  6. Step 6: Final answer
    x = 15,721,133,740.60

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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.