Home / 973,126,527.52-1,341,838,169.04-620,142,990.88

Finding the Fourth Proportional to 973,126,527.52, 1,341,838,169.04 and 620,142,990.88

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Solution

The fourth proportional to 973,126,527.52, 1,341,838,169.04 and 620,142,990.88 is: 855,111,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,126,527.52 : 1,341,838,169.04 = 620,142,990.88 : x
  2. Step 2: Convert to fraction form
    973,126,527.52/1,341,838,169.04 = 620,142,990.88/x
  3. Step 3: Cross multiply
    973,126,527.52x = 1,341,838,169.04 × 620,142,990.88
  4. Step 4: Simplify right side
    973,126,527.52x = 832,131,535,425,408,640
  5. Step 5: Solve for x
    x = 832,131,535,425,408,640/973,126,527.52
  6. Step 6: Final answer
    x = 855,111,346.67

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1.5x scale

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.