Home / 39,096,985,477.20-58,645,478,215.80-12,924,579,109.20

Finding the Fourth Proportional to 39,096,985,477.20, 58,645,478,215.80 and 12,924,579,109.20

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Solution

The fourth proportional to 39,096,985,477.20, 58,645,478,215.80 and 12,924,579,109.20 is: 19,386,868,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,096,985,477.20 : 58,645,478,215.80 = 12,924,579,109.20 : x
  2. Step 2: Convert to fraction form
    39,096,985,477.20/58,645,478,215.80 = 12,924,579,109.20/x
  3. Step 3: Cross multiply
    39,096,985,477.20x = 58,645,478,215.80 × 12,924,579,109.20
  4. Step 4: Simplify right side
    39,096,985,477.20x = 757,968,122,596,972,429,312
  5. Step 5: Solve for x
    x = 757,968,122,596,972,429,312/39,096,985,477.20
  6. Step 6: Final answer
    x = 19,386,868,663.80

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Double scale
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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.