Home / 15,290,878,740.24-21,102,473,209.65-9,269,637,927.78

Finding the Fourth Proportional to 15,290,878,740.24, 21,102,473,209.65 and 9,269,637,927.78

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Solution

The fourth proportional to 15,290,878,740.24, 21,102,473,209.65 and 9,269,637,927.78 is: 12,792,743,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,878,740.24 : 21,102,473,209.65 = 9,269,637,927.78 : x
  2. Step 2: Convert to fraction form
    15,290,878,740.24/21,102,473,209.65 = 9,269,637,927.78/x
  3. Step 3: Cross multiply
    15,290,878,740.24x = 21,102,473,209.65 × 9,269,637,927.78
  4. Step 4: Simplify right side
    15,290,878,740.24x = 195,612,286,034,133,024,768
  5. Step 5: Solve for x
    x = 195,612,286,034,133,024,768/15,290,878,740.24
  6. Step 6: Final answer
    x = 12,792,743,265.92

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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.