Home / 14,486,688,556.80-21,730,032,835.20-7,874,712,211.20

Finding the Fourth Proportional to 14,486,688,556.80, 21,730,032,835.20 and 7,874,712,211.20

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Solution

The fourth proportional to 14,486,688,556.80, 21,730,032,835.20 and 7,874,712,211.20 is: 11,812,068,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,688,556.80 : 21,730,032,835.20 = 7,874,712,211.20 : x
  2. Step 2: Convert to fraction form
    14,486,688,556.80/21,730,032,835.20 = 7,874,712,211.20/x
  3. Step 3: Cross multiply
    14,486,688,556.80x = 21,730,032,835.20 × 7,874,712,211.20
  4. Step 4: Simplify right side
    14,486,688,556.80x = 171,117,754,917,126,406,144
  5. Step 5: Solve for x
    x = 171,117,754,917,126,406,144/14,486,688,556.80
  6. Step 6: Final answer
    x = 11,812,068,316.80

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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.