Home / 10,779,899,421.80-16,169,849,132.70-9,201,732,228.20

Finding the Fourth Proportional to 10,779,899,421.80, 16,169,849,132.70 and 9,201,732,228.20

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Solution

The fourth proportional to 10,779,899,421.80, 16,169,849,132.70 and 9,201,732,228.20 is: 13,802,598,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,899,421.80 : 16,169,849,132.70 = 9,201,732,228.20 : x
  2. Step 2: Convert to fraction form
    10,779,899,421.80/16,169,849,132.70 = 9,201,732,228.20/x
  3. Step 3: Cross multiply
    10,779,899,421.80x = 16,169,849,132.70 × 9,201,732,228.20
  4. Step 4: Simplify right side
    10,779,899,421.80x = 148,790,621,889,497,432,064
  5. Step 5: Solve for x
    x = 148,790,621,889,497,432,064/10,779,899,421.80
  6. Step 6: Final answer
    x = 13,802,598,342.30

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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.