Home / 784,852,830,091.40-1,083,298,426,331.60-511,180,449,488.65

Finding the Fourth Proportional to 784,852,830,091.40, 1,083,298,426,331.60 and 511,180,449,488.65

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Solution

The fourth proportional to 784,852,830,091.40, 1,083,298,426,331.60 and 511,180,449,488.65 is: 705,560,272,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,852,830,091.40 : 1,083,298,426,331.60 = 511,180,449,488.65 : x
  2. Step 2: Convert to fraction form
    784,852,830,091.40/1,083,298,426,331.60 = 511,180,449,488.65/x
  3. Step 3: Cross multiply
    784,852,830,091.40x = 1,083,298,426,331.60 × 511,180,449,488.65
  4. Step 4: Simplify right side
    784,852,830,091.40x = 553,760,976,502,534,506,020,864
  5. Step 5: Solve for x
    x = 553,760,976,502,534,506,020,864/784,852,830,091.40
  6. Step 6: Final answer
    x = 705,560,272,284.48

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Double scale
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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.