Home / 553,319,571.40-829,979,357.10-170,367,123.40

Finding the Fourth Proportional to 553,319,571.40, 829,979,357.10 and 170,367,123.40

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Solution

The fourth proportional to 553,319,571.40, 829,979,357.10 and 170,367,123.40 is: 255,550,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,319,571.40 : 829,979,357.10 = 170,367,123.40 : x
  2. Step 2: Convert to fraction form
    553,319,571.40/829,979,357.10 = 170,367,123.40/x
  3. Step 3: Cross multiply
    553,319,571.40x = 829,979,357.10 × 170,367,123.40
  4. Step 4: Simplify right side
    553,319,571.40x = 141,401,195,550,508,368
  5. Step 5: Solve for x
    x = 141,401,195,550,508,368/553,319,571.40
  6. Step 6: Final answer
    x = 255,550,685.10

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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.