Home / 1,080,326,371.70-1,490,830,959.33-610,417,603.58

Finding the Fourth Proportional to 1,080,326,371.70, 1,490,830,959.33 and 610,417,603.58

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Solution

The fourth proportional to 1,080,326,371.70, 1,490,830,959.33 and 610,417,603.58 is: 842,365,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,326,371.70 : 1,490,830,959.33 = 610,417,603.58 : x
  2. Step 2: Convert to fraction form
    1,080,326,371.70/1,490,830,959.33 = 610,417,603.58/x
  3. Step 3: Cross multiply
    1,080,326,371.70x = 1,490,830,959.33 × 610,417,603.58
  4. Step 4: Simplify right side
    1,080,326,371.70x = 910,029,461,529,636,864
  5. Step 5: Solve for x
    x = 910,029,461,529,636,864/1,080,326,371.70
  6. Step 6: Final answer
    x = 842,365,312.35

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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.