Home / 28,852,488,931,296-39,816,460,381,660-15,683,480,249,721

Finding the Fourth Proportional to 28,852,488,931,296, 39,816,460,381,660 and 15,683,480,249,721

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Solution

The fourth proportional to 28,852,488,931,296, 39,816,460,381,660 and 15,683,480,249,721 is: 21,643,216,690,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852,488,931,296 : 39,816,460,381,660 = 15,683,480,249,721 : x
  2. Step 2: Convert to fraction form
    28,852,488,931,296/39,816,460,381,660 = 15,683,480,249,721/x
  3. Step 3: Cross multiply
    28,852,488,931,296x = 39,816,460,381,660 × 15,683,480,249,721
  4. Step 4: Simplify right side
    28,852,488,931,296x = 624,460,670,009,563,326,397,284,352
  5. Step 5: Solve for x
    x = 624,460,670,009,563,326,397,284,352/28,852,488,931,296
  6. Step 6: Final answer
    x = 21,643,216,690,821.33

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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.