Home / 19,220,587,657.61-26,533,608,572.21-12,801,090,689.37

Finding the Fourth Proportional to 19,220,587,657.61, 26,533,608,572.21 and 12,801,090,689.37

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Solution

The fourth proportional to 19,220,587,657.61, 26,533,608,572.21 and 12,801,090,689.37 is: 17,671,630,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220,587,657.61 : 26,533,608,572.21 = 12,801,090,689.37 : x
  2. Step 2: Convert to fraction form
    19,220,587,657.61/26,533,608,572.21 = 12,801,090,689.37/x
  3. Step 3: Cross multiply
    19,220,587,657.61x = 26,533,608,572.21 × 12,801,090,689.37
  4. Step 4: Simplify right side
    19,220,587,657.61x = 339,659,129,649,041,506,304
  5. Step 5: Solve for x
    x = 339,659,129,649,041,506,304/19,220,587,657.61
  6. Step 6: Final answer
    x = 17,671,630,841.87

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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.