Home / 976,315,606.40-1,347,325,433.45-530,283,279.26

Finding the Fourth Proportional to 976,315,606.40, 1,347,325,433.45 and 530,283,279.26

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Solution

The fourth proportional to 976,315,606.40, 1,347,325,433.45 and 530,283,279.26 is: 731,796,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,315,606.40 : 1,347,325,433.45 = 530,283,279.26 : x
  2. Step 2: Convert to fraction form
    976,315,606.40/1,347,325,433.45 = 530,283,279.26/x
  3. Step 3: Cross multiply
    976,315,606.40x = 1,347,325,433.45 × 530,283,279.26
  4. Step 4: Simplify right side
    976,315,606.40x = 714,464,149,070,878,848
  5. Step 5: Solve for x
    x = 714,464,149,070,878,848/976,315,606.40
  6. Step 6: Final answer
    x = 731,796,300.70

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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.