Home / 897,176,935.42-1,238,052,514.67-500,668,805.32

Finding the Fourth Proportional to 897,176,935.42, 1,238,052,514.67 and 500,668,805.32

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Solution

The fourth proportional to 897,176,935.42, 1,238,052,514.67 and 500,668,805.32 is: 690,894,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,176,935.42 : 1,238,052,514.67 = 500,668,805.32 : x
  2. Step 2: Convert to fraction form
    897,176,935.42/1,238,052,514.67 = 500,668,805.32/x
  3. Step 3: Cross multiply
    897,176,935.42x = 1,238,052,514.67 × 500,668,805.32
  4. Step 4: Simplify right side
    897,176,935.42x = 619,854,273,443,250,688
  5. Step 5: Solve for x
    x = 619,854,273,443,250,688/897,176,935.42
  6. Step 6: Final answer
    x = 690,894,124.64

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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.