Home / 1,237,354,625.16-1,707,581,745.10-672,872,521.18

Finding the Fourth Proportional to 1,237,354,625.16, 1,707,581,745.10 and 672,872,521.18

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Solution

The fourth proportional to 1,237,354,625.16, 1,707,581,745.10 and 672,872,521.18 is: 928,581,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,354,625.16 : 1,707,581,745.10 = 672,872,521.18 : x
  2. Step 2: Convert to fraction form
    1,237,354,625.16/1,707,581,745.10 = 672,872,521.18/x
  3. Step 3: Cross multiply
    1,237,354,625.16x = 1,707,581,745.10 × 672,872,521.18
  4. Step 4: Simplify right side
    1,237,354,625.16x = 1,148,984,833,937,947,776
  5. Step 5: Solve for x
    x = 1,148,984,833,937,947,776/1,237,354,625.16
  6. Step 6: Final answer
    x = 928,581,677.86

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Half scale
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Double scale
Find fourth proportional to 1,237,354,626.16, 1,707,581,746.48 and 672,872,522.18
Similar ratio
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1.5x scale

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.