Home / 28,061,812,010.16-38,720,378,165.40-16,013,321,780.40

Finding the Fourth Proportional to 28,061,812,010.16, 38,720,378,165.40 and 16,013,321,780.40

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Solution

The fourth proportional to 28,061,812,010.16, 38,720,378,165.40 and 16,013,321,780.40 is: 22,095,575,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061,812,010.16 : 38,720,378,165.40 = 16,013,321,780.40 : x
  2. Step 2: Convert to fraction form
    28,061,812,010.16/38,720,378,165.40 = 16,013,321,780.40/x
  3. Step 3: Cross multiply
    28,061,812,010.16x = 38,720,378,165.40 × 16,013,321,780.40
  4. Step 4: Simplify right side
    28,061,812,010.16x = 620,041,875,021,324,484,608
  5. Step 5: Solve for x
    x = 620,041,875,021,324,484,608/28,061,812,010.16
  6. Step 6: Final answer
    x = 22,095,575,111.00

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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.