Home / 12,895,506,978.40-19,343,260,467.60-4,724,793,071.20

Finding the Fourth Proportional to 12,895,506,978.40, 19,343,260,467.60 and 4,724,793,071.20

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Solution

The fourth proportional to 12,895,506,978.40, 19,343,260,467.60 and 4,724,793,071.20 is: 7,087,189,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,506,978.40 : 19,343,260,467.60 = 4,724,793,071.20 : x
  2. Step 2: Convert to fraction form
    12,895,506,978.40/19,343,260,467.60 = 4,724,793,071.20/x
  3. Step 3: Cross multiply
    12,895,506,978.40x = 19,343,260,467.60 × 4,724,793,071.20
  4. Step 4: Simplify right side
    12,895,506,978.40x = 91,392,903,031,733,338,112
  5. Step 5: Solve for x
    x = 91,392,903,031,733,338,112/12,895,506,978.40
  6. Step 6: Final answer
    x = 7,087,189,606.80

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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.