Home / 1,390,738,054.28-1,919,325,262.02-796,209,011.96

Finding the Fourth Proportional to 1,390,738,054.28, 1,919,325,262.02 and 796,209,011.96

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Solution

The fourth proportional to 1,390,738,054.28, 1,919,325,262.02 and 796,209,011.96 is: 1,098,829,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,738,054.28 : 1,919,325,262.02 = 796,209,011.96 : x
  2. Step 2: Convert to fraction form
    1,390,738,054.28/1,919,325,262.02 = 796,209,011.96/x
  3. Step 3: Cross multiply
    1,390,738,054.28x = 1,919,325,262.02 × 796,209,011.96
  4. Step 4: Simplify right side
    1,390,738,054.28x = 1,528,184,070,502,812,416
  5. Step 5: Solve for x
    x = 1,528,184,070,502,812,416/1,390,738,054.28
  6. Step 6: Final answer
    x = 1,098,829,550.11

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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.