Home / 21,328,222,717,767-29,432,446,720,155-12,549,452,207,585

Finding the Fourth Proportional to 21,328,222,717,767, 29,432,446,720,155 and 12,549,452,207,585

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Solution

The fourth proportional to 21,328,222,717,767, 29,432,446,720,155 and 12,549,452,207,585 is: 17,317,949,477,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328,222,717,767 : 29,432,446,720,155 = 12,549,452,207,585 : x
  2. Step 2: Convert to fraction form
    21,328,222,717,767/29,432,446,720,155 = 12,549,452,207,585/x
  3. Step 3: Cross multiply
    21,328,222,717,767x = 29,432,446,720,155 × 12,549,452,207,585
  4. Step 4: Simplify right side
    21,328,222,717,767x = 369,361,083,466,877,052,867,575,808
  5. Step 5: Solve for x
    x = 369,361,083,466,877,052,867,575,808/21,328,222,717,767
  6. Step 6: Final answer
    x = 17,317,949,477,299.35

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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.