Home / 810,334,062.24-1,117,829,643.06-492,891,399.06

Finding the Fourth Proportional to 810,334,062.24, 1,117,829,643.06 and 492,891,399.06

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Solution

The fourth proportional to 810,334,062.24, 1,117,829,643.06 and 492,891,399.06 is: 679,927,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,334,062.24 : 1,117,829,643.06 = 492,891,399.06 : x
  2. Step 2: Convert to fraction form
    810,334,062.24/1,117,829,643.06 = 492,891,399.06/x
  3. Step 3: Cross multiply
    810,334,062.24x = 1,117,829,643.06 × 492,891,399.06
  4. Step 4: Simplify right side
    810,334,062.24x = 550,968,616,678,583,808
  5. Step 5: Solve for x
    x = 550,968,616,678,583,808/810,334,062.24
  6. Step 6: Final answer
    x = 679,927,751.22

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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.