Home / 71,575,752,320.64-98,774,647,041.60-39,892,685,420.16

Finding the Fourth Proportional to 71,575,752,320.64, 98,774,647,041.60 and 39,892,685,420.16

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Solution

The fourth proportional to 71,575,752,320.64, 98,774,647,041.60 and 39,892,685,420.16 is: 55,051,966,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,752,320.64 : 98,774,647,041.60 = 39,892,685,420.16 : x
  2. Step 2: Convert to fraction form
    71,575,752,320.64/98,774,647,041.60 = 39,892,685,420.16/x
  3. Step 3: Cross multiply
    71,575,752,320.64x = 98,774,647,041.60 × 39,892,685,420.16
  4. Step 4: Simplify right side
    71,575,752,320.64x = 3,940,385,921,917,886,922,752
  5. Step 5: Solve for x
    x = 3,940,385,921,917,886,922,752/71,575,752,320.64
  6. Step 6: Final answer
    x = 55,051,966,541.21

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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.