Home / 10,637,572,642.20-15,956,358,963.30-6,447,266,645.40

Finding the Fourth Proportional to 10,637,572,642.20, 15,956,358,963.30 and 6,447,266,645.40

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Solution

The fourth proportional to 10,637,572,642.20, 15,956,358,963.30 and 6,447,266,645.40 is: 9,670,899,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,572,642.20 : 15,956,358,963.30 = 6,447,266,645.40 : x
  2. Step 2: Convert to fraction form
    10,637,572,642.20/15,956,358,963.30 = 6,447,266,645.40/x
  3. Step 3: Cross multiply
    10,637,572,642.20x = 15,956,358,963.30 × 6,447,266,645.40
  4. Step 4: Simplify right side
    10,637,572,642.20x = 102,874,900,926,113,398,784
  5. Step 5: Solve for x
    x = 102,874,900,926,113,398,784/10,637,572,642.20
  6. Step 6: Final answer
    x = 9,670,899,968.10

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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.