Home / 65,404,402,521.45-90,274,868,880.07-42,598,370,804.59

Finding the Fourth Proportional to 65,404,402,521.45, 90,274,868,880.07 and 42,598,370,804.59

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Solution

The fourth proportional to 65,404,402,521.45, 90,274,868,880.07 and 42,598,370,804.59 is: 58,796,689,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,404,402,521.45 : 90,274,868,880.07 = 42,598,370,804.59 : x
  2. Step 2: Convert to fraction form
    65,404,402,521.45/90,274,868,880.07 = 42,598,370,804.59/x
  3. Step 3: Cross multiply
    65,404,402,521.45x = 90,274,868,880.07 × 42,598,370,804.59
  4. Step 4: Simplify right side
    65,404,402,521.45x = 3,845,562,338,888,964,374,528
  5. Step 5: Solve for x
    x = 3,845,562,338,888,964,374,528/65,404,402,521.45
  6. Step 6: Final answer
    x = 58,796,689,376.19

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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.