Home / 1,120,174,050.74-1,545,845,127.40-618,386,957.73

Finding the Fourth Proportional to 1,120,174,050.74, 1,545,845,127.40 and 618,386,957.73

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Solution

The fourth proportional to 1,120,174,050.74, 1,545,845,127.40 and 618,386,957.73 is: 853,376,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,174,050.74 : 1,545,845,127.40 = 618,386,957.73 : x
  2. Step 2: Convert to fraction form
    1,120,174,050.74/1,545,845,127.40 = 618,386,957.73/x
  3. Step 3: Cross multiply
    1,120,174,050.74x = 1,545,845,127.40 × 618,386,957.73
  4. Step 4: Simplify right side
    1,120,174,050.74x = 955,930,465,458,232,192
  5. Step 5: Solve for x
    x = 955,930,465,458,232,192/1,120,174,050.74
  6. Step 6: Final answer
    x = 853,376,727.33

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Double scale
Find fourth proportional to 1,120,174,051.74, 1,545,845,128.78 and 618,386,958.73
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1.5x scale

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.