Home / 553,319,614.40-829,979,421.60-170,367,166.40

Finding the Fourth Proportional to 553,319,614.40, 829,979,421.60 and 170,367,166.40

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Solution

The fourth proportional to 553,319,614.40, 829,979,421.60 and 170,367,166.40 is: 255,550,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,319,614.40 : 829,979,421.60 = 170,367,166.40 : x
  2. Step 2: Convert to fraction form
    553,319,614.40/829,979,421.60 = 170,367,166.40/x
  3. Step 3: Cross multiply
    553,319,614.40x = 829,979,421.60 × 170,367,166.40
  4. Step 4: Simplify right side
    553,319,614.40x = 141,401,242,228,302,960
  5. Step 5: Solve for x
    x = 141,401,242,228,302,960/553,319,614.40
  6. Step 6: Final answer
    x = 255,550,749.60

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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.