Home / 610,561,981.20-915,842,971.80-365,673,968.40

Finding the Fourth Proportional to 610,561,981.20, 915,842,971.80 and 365,673,968.40

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Solution

The fourth proportional to 610,561,981.20, 915,842,971.80 and 365,673,968.40 is: 548,510,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,561,981.20 : 915,842,971.80 = 365,673,968.40 : x
  2. Step 2: Convert to fraction form
    610,561,981.20/915,842,971.80 = 365,673,968.40/x
  3. Step 3: Cross multiply
    610,561,981.20x = 915,842,971.80 × 365,673,968.40
  4. Step 4: Simplify right side
    610,561,981.20x = 334,899,933,929,355,264
  5. Step 5: Solve for x
    x = 334,899,933,929,355,264/610,561,981.20
  6. Step 6: Final answer
    x = 548,510,952.60

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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.