Home / 1,078,872,762.42-1,488,844,363.41-583,835,484.42

Finding the Fourth Proportional to 1,078,872,762.42, 1,488,844,363.41 and 583,835,484.42

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Solution

The fourth proportional to 1,078,872,762.42, 1,488,844,363.41 and 583,835,484.42 is: 805,692,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,872,762.42 : 1,488,844,363.41 = 583,835,484.42 : x
  2. Step 2: Convert to fraction form
    1,078,872,762.42/1,488,844,363.41 = 583,835,484.42/x
  3. Step 3: Cross multiply
    1,078,872,762.42x = 1,488,844,363.41 × 583,835,484.42
  4. Step 4: Simplify right side
    1,078,872,762.42x = 869,240,170,137,463,808
  5. Step 5: Solve for x
    x = 869,240,170,137,463,808/1,078,872,762.42
  6. Step 6: Final answer
    x = 805,692,942.13

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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.