Home / 1,091,075,261.60-1,636,612,892.40-314,746,248.80

Finding the Fourth Proportional to 1,091,075,261.60, 1,636,612,892.40 and 314,746,248.80

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Solution

The fourth proportional to 1,091,075,261.60, 1,636,612,892.40 and 314,746,248.80 is: 472,119,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,075,261.60 : 1,636,612,892.40 = 314,746,248.80 : x
  2. Step 2: Convert to fraction form
    1,091,075,261.60/1,636,612,892.40 = 314,746,248.80/x
  3. Step 3: Cross multiply
    1,091,075,261.60x = 1,636,612,892.40 × 314,746,248.80
  4. Step 4: Simplify right side
    1,091,075,261.60x = 515,117,768,620,618,048
  5. Step 5: Solve for x
    x = 515,117,768,620,618,048/1,091,075,261.60
  6. Step 6: Final answer
    x = 472,119,373.20

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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.