Home / 632,416,516,484.10-872,710,315,232.67-343,378,160,421.90

Finding the Fourth Proportional to 632,416,516,484.10, 872,710,315,232.67 and 343,378,160,421.90

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Solution

The fourth proportional to 632,416,516,484.10, 872,710,315,232.67 and 343,378,160,421.90 is: 473,848,571,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,416,516,484.10 : 872,710,315,232.67 = 343,378,160,421.90 : x
  2. Step 2: Convert to fraction form
    632,416,516,484.10/872,710,315,232.67 = 343,378,160,421.90/x
  3. Step 3: Cross multiply
    632,416,516,484.10x = 872,710,315,232.67 × 343,378,160,421.90
  4. Step 4: Simplify right side
    632,416,516,484.10x = 299,669,662,625,810,717,081,600
  5. Step 5: Solve for x
    x = 299,669,662,625,810,717,081,600/632,416,516,484.10
  6. Step 6: Final answer
    x = 473,848,571,020.59

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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.