Home / 1,483,521,519.60-2,225,282,279.40-378,124,239.60

Finding the Fourth Proportional to 1,483,521,519.60, 2,225,282,279.40 and 378,124,239.60

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Solution

The fourth proportional to 1,483,521,519.60, 2,225,282,279.40 and 378,124,239.60 is: 567,186,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,521,519.60 : 2,225,282,279.40 = 378,124,239.60 : x
  2. Step 2: Convert to fraction form
    1,483,521,519.60/2,225,282,279.40 = 378,124,239.60/x
  3. Step 3: Cross multiply
    1,483,521,519.60x = 2,225,282,279.40 × 378,124,239.60
  4. Step 4: Simplify right side
    1,483,521,519.60x = 841,433,169,793,479,808
  5. Step 5: Solve for x
    x = 841,433,169,793,479,808/1,483,521,519.60
  6. Step 6: Final answer
    x = 567,186,359.40

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Double scale
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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.