Home / 910,841,030.89-1,257,044,877.64-553,526,342.39

Finding the Fourth Proportional to 910,841,030.89, 1,257,044,877.64 and 553,526,342.39

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Solution

The fourth proportional to 910,841,030.89, 1,257,044,877.64 and 553,526,342.39 is: 763,917,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,841,030.89 : 1,257,044,877.64 = 553,526,342.39 : x
  2. Step 2: Convert to fraction form
    910,841,030.89/1,257,044,877.64 = 553,526,342.39/x
  3. Step 3: Cross multiply
    910,841,030.89x = 1,257,044,877.64 × 553,526,342.39
  4. Step 4: Simplify right side
    910,841,030.89x = 695,807,453,333,586,944
  5. Step 5: Solve for x
    x = 695,807,453,333,586,944/910,841,030.89
  6. Step 6: Final answer
    x = 763,917,555.03

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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.