Home / 28,315,966,323,332-39,075,617,664,996-15,815,878,785,935

Finding the Fourth Proportional to 28,315,966,323,332, 39,075,617,664,996 and 15,815,878,785,935

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Solution

The fourth proportional to 28,315,966,323,332, 39,075,617,664,996 and 15,815,878,785,935 is: 21,825,680,445,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,966,323,332 : 39,075,617,664,996 = 15,815,878,785,935 : x
  2. Step 2: Convert to fraction form
    28,315,966,323,332/39,075,617,664,996 = 15,815,878,785,935/x
  3. Step 3: Cross multiply
    28,315,966,323,332x = 39,075,617,664,996 × 15,815,878,785,935
  4. Step 4: Simplify right side
    28,315,966,323,332x = 618,015,232,475,117,191,868,448,768
  5. Step 5: Solve for x
    x = 618,015,232,475,117,191,868,448,768/28,315,966,323,332
  6. Step 6: Final answer
    x = 21,825,680,445,377.57

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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.