Home / 882,455,518.80-1,323,683,278.20-538,081,750.80

Finding the Fourth Proportional to 882,455,518.80, 1,323,683,278.20 and 538,081,750.80

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Solution

The fourth proportional to 882,455,518.80, 1,323,683,278.20 and 538,081,750.80 is: 807,122,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,455,518.80 : 1,323,683,278.20 = 538,081,750.80 : x
  2. Step 2: Convert to fraction form
    882,455,518.80/1,323,683,278.20 = 538,081,750.80/x
  3. Step 3: Cross multiply
    882,455,518.80x = 1,323,683,278.20 × 538,081,750.80
  4. Step 4: Simplify right side
    882,455,518.80x = 712,249,815,838,539,392
  5. Step 5: Solve for x
    x = 712,249,815,838,539,392/882,455,518.80
  6. Step 6: Final answer
    x = 807,122,626.20

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Double scale
Find fourth proportional to 882,455,519.80, 1,323,683,279.70 and 538,081,751.80
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.