Home / 28,510,349,425.12-42,767,158,428.16-7,548,237,565.12

Finding the Fourth Proportional to 28,510,349,425.12, 42,767,158,428.16 and 7,548,237,565.12

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Solution

The fourth proportional to 28,510,349,425.12, 42,767,158,428.16 and 7,548,237,565.12 is: 11,322,789,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,349,425.12 : 42,767,158,428.16 = 7,548,237,565.12 : x
  2. Step 2: Convert to fraction form
    28,510,349,425.12/42,767,158,428.16 = 7,548,237,565.12/x
  3. Step 3: Cross multiply
    28,510,349,425.12x = 42,767,158,428.16 × 7,548,237,565.12
  4. Step 4: Simplify right side
    28,510,349,425.12x = 322,816,671,800,875,745,280
  5. Step 5: Solve for x
    x = 322,816,671,800,875,745,280/28,510,349,425.12
  6. Step 6: Final answer
    x = 11,322,789,033.11

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1.5x scale

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.