Home / 2,657,208,051.60-3,985,812,077.40-1,786,495,117.20

Finding the Fourth Proportional to 2,657,208,051.60, 3,985,812,077.40 and 1,786,495,117.20

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Solution

The fourth proportional to 2,657,208,051.60, 3,985,812,077.40 and 1,786,495,117.20 is: 2,679,742,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,208,051.60 : 3,985,812,077.40 = 1,786,495,117.20 : x
  2. Step 2: Convert to fraction form
    2,657,208,051.60/3,985,812,077.40 = 1,786,495,117.20/x
  3. Step 3: Cross multiply
    2,657,208,051.60x = 3,985,812,077.40 × 1,786,495,117.20
  4. Step 4: Simplify right side
    2,657,208,051.60x = 7,120,633,814,351,888,384
  5. Step 5: Solve for x
    x = 7,120,633,814,351,888,384/2,657,208,051.60
  6. Step 6: Final answer
    x = 2,679,742,675.80

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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.