Home / 1,918,120,888.80-2,877,181,442.55-464,098,312.80

Finding the Fourth Proportional to 1,918,120,888.80, 2,877,181,442.55 and 464,098,312.80

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Solution

The fourth proportional to 1,918,120,888.80, 2,877,181,442.55 and 464,098,312.80 is: 696,147,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,120,888.80 : 2,877,181,442.55 = 464,098,312.80 : x
  2. Step 2: Convert to fraction form
    1,918,120,888.80/2,877,181,442.55 = 464,098,312.80/x
  3. Step 3: Cross multiply
    1,918,120,888.80x = 2,877,181,442.55 × 464,098,312.80
  4. Step 4: Simplify right side
    1,918,120,888.80x = 1,335,295,053,106,925,312
  5. Step 5: Solve for x
    x = 1,335,295,053,106,925,312/1,918,120,888.80
  6. Step 6: Final answer
    x = 696,147,495.66

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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.