Home / 1,191,422,498,547.90-1,787,121,970,635.80-545,845,006,055.80

Finding the Fourth Proportional to 1,191,422,498,547.90, 1,787,121,970,635.80 and 545,845,006,055.80

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Solution

The fourth proportional to 1,191,422,498,547.90, 1,787,121,970,635.80 and 545,845,006,055.80 is: 818,762,113,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,422,498,547.90 : 1,787,121,970,635.80 = 545,845,006,055.80 : x
  2. Step 2: Convert to fraction form
    1,191,422,498,547.90/1,787,121,970,635.80 = 545,845,006,055.80/x
  3. Step 3: Cross multiply
    1,191,422,498,547.90x = 1,787,121,970,635.80 × 545,845,006,055.80
  4. Step 4: Simplify right side
    1,191,422,498,547.90x = 975,491,602,884,151,448,961,024
  5. Step 5: Solve for x
    x = 975,491,602,884,151,448,961,024/1,191,422,498,547.90
  6. Step 6: Final answer
    x = 818,762,113,417.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.