Home / 65,404,402,526.22-90,274,868,886.64-42,598,370,809.32

Finding the Fourth Proportional to 65,404,402,526.22, 90,274,868,886.64 and 42,598,370,809.32

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Solution

The fourth proportional to 65,404,402,526.22, 90,274,868,886.64 and 42,598,370,809.32 is: 58,796,689,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,404,402,526.22 : 90,274,868,886.64 = 42,598,370,809.32 : x
  2. Step 2: Convert to fraction form
    65,404,402,526.22/90,274,868,886.64 = 42,598,370,809.32/x
  3. Step 3: Cross multiply
    65,404,402,526.22x = 90,274,868,886.64 × 42,598,370,809.32
  4. Step 4: Simplify right side
    65,404,402,526.22x = 3,845,562,339,595,835,670,528
  5. Step 5: Solve for x
    x = 3,845,562,339,595,835,670,528/65,404,402,526.22
  6. Step 6: Final answer
    x = 58,796,689,382.71

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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.