Home / 1,296,681,888.53-1,789,421,605.75-701,966,373.53

Finding the Fourth Proportional to 1,296,681,888.53, 1,789,421,605.75 and 701,966,373.53

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Solution

The fourth proportional to 1,296,681,888.53, 1,789,421,605.75 and 701,966,373.53 is: 968,713,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,681,888.53 : 1,789,421,605.75 = 701,966,373.53 : x
  2. Step 2: Convert to fraction form
    1,296,681,888.53/1,789,421,605.75 = 701,966,373.53/x
  3. Step 3: Cross multiply
    1,296,681,888.53x = 1,789,421,605.75 × 701,966,373.53
  4. Step 4: Simplify right side
    1,296,681,888.53x = 1,256,113,795,292,520,960
  5. Step 5: Solve for x
    x = 1,256,113,795,292,520,960/1,296,681,888.53
  6. Step 6: Final answer
    x = 968,713,920.05

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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.