Home / 15,248,312,987.04-21,036,144,579-9,522,657,182.16

Finding the Fourth Proportional to 15,248,312,987.04, 21,036,144,579 and 9,522,657,182.16

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Solution

The fourth proportional to 15,248,312,987.04, 21,036,144,579 and 9,522,657,182.16 is: 13,137,190,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248,312,987.04 : 21,036,144,579 = 9,522,657,182.16 : x
  2. Step 2: Convert to fraction form
    15,248,312,987.04/21,036,144,579 = 9,522,657,182.16/x
  3. Step 3: Cross multiply
    15,248,312,987.04x = 21,036,144,579 × 9,522,657,182.16
  4. Step 4: Simplify right side
    15,248,312,987.04x = 200,319,993,260,170,510,336
  5. Step 5: Solve for x
    x = 200,319,993,260,170,510,336/15,248,312,987.04
  6. Step 6: Final answer
    x = 13,137,190,548.91

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1.5x scale

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.