Home / 651,101,411.60-976,652,117.40-528,657,405.20

Finding the Fourth Proportional to 651,101,411.60, 976,652,117.40 and 528,657,405.20

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Solution

The fourth proportional to 651,101,411.60, 976,652,117.40 and 528,657,405.20 is: 792,986,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,101,411.60 : 976,652,117.40 = 528,657,405.20 : x
  2. Step 2: Convert to fraction form
    651,101,411.60/976,652,117.40 = 528,657,405.20/x
  3. Step 3: Cross multiply
    651,101,411.60x = 976,652,117.40 × 528,657,405.20
  4. Step 4: Simplify right side
    651,101,411.60x = 516,314,374,167,769,728
  5. Step 5: Solve for x
    x = 516,314,374,167,769,728/651,101,411.60
  6. Step 6: Final answer
    x = 792,986,107.80

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1.5x scale

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.