Home / 877,804,991,990.40-1,316,707,487,985.60-281,625,124,828.80

Finding the Fourth Proportional to 877,804,991,990.40, 1,316,707,487,985.60 and 281,625,124,828.80

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Solution

The fourth proportional to 877,804,991,990.40, 1,316,707,487,985.60 and 281,625,124,828.80 is: 422,437,687,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,804,991,990.40 : 1,316,707,487,985.60 = 281,625,124,828.80 : x
  2. Step 2: Convert to fraction form
    877,804,991,990.40/1,316,707,487,985.60 = 281,625,124,828.80/x
  3. Step 3: Cross multiply
    877,804,991,990.40x = 1,316,707,487,985.60 × 281,625,124,828.80
  4. Step 4: Simplify right side
    877,804,991,990.40x = 370,817,910,666,960,320,856,064
  5. Step 5: Solve for x
    x = 370,817,910,666,960,320,856,064/877,804,991,990.40
  6. Step 6: Final answer
    x = 422,437,687,243.20

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.