Home / 69,108,158,280.39-103,662,237,420.57-19,421,480,566.14

Finding the Fourth Proportional to 69,108,158,280.39, 103,662,237,420.57 and 19,421,480,566.14

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Solution

The fourth proportional to 69,108,158,280.39, 103,662,237,420.57 and 19,421,480,566.14 is: 29,132,220,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,280.39 : 103,662,237,420.57 = 19,421,480,566.14 : x
  2. Step 2: Convert to fraction form
    69,108,158,280.39/103,662,237,420.57 = 19,421,480,566.14/x
  3. Step 3: Cross multiply
    69,108,158,280.39x = 103,662,237,420.57 × 19,421,480,566.14
  4. Step 4: Simplify right side
    69,108,158,280.39x = 2,013,274,129,506,191,015,936
  5. Step 5: Solve for x
    x = 2,013,274,129,506,191,015,936/69,108,158,280.39
  6. Step 6: Final answer
    x = 29,132,220,849.21

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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.