Home / 771,534,139.23-1,064,590,899.93-454,261,751.78

Finding the Fourth Proportional to 771,534,139.23, 1,064,590,899.93 and 454,261,751.78

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Solution

The fourth proportional to 771,534,139.23, 1,064,590,899.93 and 454,261,751.78 is: 626,806,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,534,139.23 : 1,064,590,899.93 = 454,261,751.78 : x
  2. Step 2: Convert to fraction form
    771,534,139.23/1,064,590,899.93 = 454,261,751.78/x
  3. Step 3: Cross multiply
    771,534,139.23x = 1,064,590,899.93 × 454,261,751.78
  4. Step 4: Simplify right side
    771,534,139.23x = 483,602,927,125,925,504
  5. Step 5: Solve for x
    x = 483,602,927,125,925,504/771,534,139.23
  6. Step 6: Final answer
    x = 626,806,906.57

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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.