Home / 558,117,763.32-837,176,644.71-208,391,143.13

Finding the Fourth Proportional to 558,117,763.32, 837,176,644.71 and 208,391,143.13

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Solution

The fourth proportional to 558,117,763.32, 837,176,644.71 and 208,391,143.13 is: 312,586,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,117,763.32 : 837,176,644.71 = 208,391,143.13 : x
  2. Step 2: Convert to fraction form
    558,117,763.32/837,176,644.71 = 208,391,143.13/x
  3. Step 3: Cross multiply
    558,117,763.32x = 837,176,644.71 × 208,391,143.13
  4. Step 4: Simplify right side
    558,117,763.32x = 174,460,197,988,668,896
  5. Step 5: Solve for x
    x = 174,460,197,988,668,896/558,117,763.32
  6. Step 6: Final answer
    x = 312,586,714.59

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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.