Home / 10,779,901,902.80-16,169,852,854.20-9,201,734,709.20

Finding the Fourth Proportional to 10,779,901,902.80, 16,169,852,854.20 and 9,201,734,709.20

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Solution

The fourth proportional to 10,779,901,902.80, 16,169,852,854.20 and 9,201,734,709.20 is: 13,802,602,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,901,902.80 : 16,169,852,854.20 = 9,201,734,709.20 : x
  2. Step 2: Convert to fraction form
    10,779,901,902.80/16,169,852,854.20 = 9,201,734,709.20/x
  3. Step 3: Cross multiply
    10,779,901,902.80x = 16,169,852,854.20 × 9,201,734,709.20
  4. Step 4: Simplify right side
    10,779,901,902.80x = 148,790,696,251,148,861,440
  5. Step 5: Solve for x
    x = 148,790,696,251,148,861,440/10,779,901,902.80
  6. Step 6: Final answer
    x = 13,802,602,063.80

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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.