Home / 1,672,170,235.42-2,307,464,206.95-929,569,078.30

Finding the Fourth Proportional to 1,672,170,235.42, 2,307,464,206.95 and 929,569,078.30

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Solution

The fourth proportional to 1,672,170,235.42, 2,307,464,206.95 and 929,569,078.30 is: 1,282,732,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,170,235.42 : 2,307,464,206.95 = 929,569,078.30 : x
  2. Step 2: Convert to fraction form
    1,672,170,235.42/2,307,464,206.95 = 929,569,078.30/x
  3. Step 3: Cross multiply
    1,672,170,235.42x = 2,307,464,206.95 × 929,569,078.30
  4. Step 4: Simplify right side
    1,672,170,235.42x = 2,144,947,376,064,751,616
  5. Step 5: Solve for x
    x = 2,144,947,376,064,751,616/1,672,170,235.42
  6. Step 6: Final answer
    x = 1,282,732,661.20

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.