Home / 7,838,554,978.54-10,817,186,931.84-4,270,291,206.58

Finding the Fourth Proportional to 7,838,554,978.54, 10,817,186,931.84 and 4,270,291,206.58

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Solution

The fourth proportional to 7,838,554,978.54, 10,817,186,931.84 and 4,270,291,206.58 is: 5,892,991,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,554,978.54 : 10,817,186,931.84 = 4,270,291,206.58 : x
  2. Step 2: Convert to fraction form
    7,838,554,978.54/10,817,186,931.84 = 4,270,291,206.58/x
  3. Step 3: Cross multiply
    7,838,554,978.54x = 10,817,186,931.84 × 4,270,291,206.58
  4. Step 4: Simplify right side
    7,838,554,978.54x = 46,192,538,234,968,440,832
  5. Step 5: Solve for x
    x = 46,192,538,234,968,440,832/7,838,554,978.54
  6. Step 6: Final answer
    x = 5,892,991,547.73

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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.