Home / 1,125,630,475.74-1,553,370,203.93-623,871,653.38

Finding the Fourth Proportional to 1,125,630,475.74, 1,553,370,203.93 and 623,871,653.38

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Solution

The fourth proportional to 1,125,630,475.74, 1,553,370,203.93 and 623,871,653.38 is: 860,942,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,630,475.74 : 1,553,370,203.93 = 623,871,653.38 : x
  2. Step 2: Convert to fraction form
    1,125,630,475.74/1,553,370,203.93 = 623,871,653.38/x
  3. Step 3: Cross multiply
    1,125,630,475.74x = 1,553,370,203.93 × 623,871,653.38
  4. Step 4: Simplify right side
    1,125,630,475.74x = 969,103,637,430,034,176
  5. Step 5: Solve for x
    x = 969,103,637,430,034,176/1,125,630,475.74
  6. Step 6: Final answer
    x = 860,942,963.36

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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.