Home / 12,071,621,345.40-16,658,838,257.70-6,719,066,836.20

Finding the Fourth Proportional to 12,071,621,345.40, 16,658,838,257.70 and 6,719,066,836.20

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Solution

The fourth proportional to 12,071,621,345.40, 16,658,838,257.70 and 6,719,066,836.20 is: 9,272,312,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,621,345.40 : 16,658,838,257.70 = 6,719,066,836.20 : x
  2. Step 2: Convert to fraction form
    12,071,621,345.40/16,658,838,257.70 = 6,719,066,836.20/x
  3. Step 3: Cross multiply
    12,071,621,345.40x = 16,658,838,257.70 × 6,719,066,836.20
  4. Step 4: Simplify right side
    12,071,621,345.40x = 111,931,847,666,931,859,456
  5. Step 5: Solve for x
    x = 111,931,847,666,931,859,456/12,071,621,345.40
  6. Step 6: Final answer
    x = 9,272,312,679.82

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Double scale
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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.