Home / 1,008,973,205.78-1,514,138,886.75-353,930,430.74

Finding the Fourth Proportional to 1,008,973,205.78, 1,514,138,886.75 and 353,930,430.74

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Solution

The fourth proportional to 1,008,973,205.78, 1,514,138,886.75 and 353,930,430.74 is: 531,133,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,973,205.78 : 1,514,138,886.75 = 353,930,430.74 : x
  2. Step 2: Convert to fraction form
    1,008,973,205.78/1,514,138,886.75 = 353,930,430.74/x
  3. Step 3: Cross multiply
    1,008,973,205.78x = 1,514,138,886.75 × 353,930,430.74
  4. Step 4: Simplify right side
    1,008,973,205.78x = 535,899,828,387,611,584
  5. Step 5: Solve for x
    x = 535,899,828,387,611,584/1,008,973,205.78
  6. Step 6: Final answer
    x = 531,133,855.01

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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.