Home / 977,032,948.80-1,348,315,883.93-530,996,344.33

Finding the Fourth Proportional to 977,032,948.80, 1,348,315,883.93 and 530,996,344.33

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Solution

The fourth proportional to 977,032,948.80, 1,348,315,883.93 and 530,996,344.33 is: 732,780,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,032,948.80 : 1,348,315,883.93 = 530,996,344.33 : x
  2. Step 2: Convert to fraction form
    977,032,948.80/1,348,315,883.93 = 530,996,344.33/x
  3. Step 3: Cross multiply
    977,032,948.80x = 1,348,315,883.93 × 530,996,344.33
  4. Step 4: Simplify right side
    977,032,948.80x = 715,950,805,368,902,656
  5. Step 5: Solve for x
    x = 715,950,805,368,902,656/977,032,948.80
  6. Step 6: Final answer
    x = 732,780,615.28

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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.