Home / 647,480,494.40-971,220,741.60-579,456,046.40

Finding the Fourth Proportional to 647,480,494.40, 971,220,741.60 and 579,456,046.40

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Solution

The fourth proportional to 647,480,494.40, 971,220,741.60 and 579,456,046.40 is: 869,184,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,480,494.40 : 971,220,741.60 = 579,456,046.40 : x
  2. Step 2: Convert to fraction form
    647,480,494.40/971,220,741.60 = 579,456,046.40/x
  3. Step 3: Cross multiply
    647,480,494.40x = 971,220,741.60 × 579,456,046.40
  4. Step 4: Simplify right side
    647,480,494.40x = 562,779,731,109,212,032
  5. Step 5: Solve for x
    x = 562,779,731,109,212,032/647,480,494.40
  6. Step 6: Final answer
    x = 869,184,069.60

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Double scale
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Similar ratio
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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.