Home / 585,018,133.20-877,527,199.80-240,219,212.40

Finding the Fourth Proportional to 585,018,133.20, 877,527,199.80 and 240,219,212.40

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Solution

The fourth proportional to 585,018,133.20, 877,527,199.80 and 240,219,212.40 is: 360,328,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,018,133.20 : 877,527,199.80 = 240,219,212.40 : x
  2. Step 2: Convert to fraction form
    585,018,133.20/877,527,199.80 = 240,219,212.40/x
  3. Step 3: Cross multiply
    585,018,133.20x = 877,527,199.80 × 240,219,212.40
  4. Step 4: Simplify right side
    585,018,133.20x = 210,798,892,795,533,440
  5. Step 5: Solve for x
    x = 210,798,892,795,533,440/585,018,133.20
  6. Step 6: Final answer
    x = 360,328,818.60

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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.