Home / 518,499,266.10-778,047,497.55-195,614,862.90

Finding the Fourth Proportional to 518,499,266.10, 778,047,497.55 and 195,614,862.90

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Solution

The fourth proportional to 518,499,266.10, 778,047,497.55 and 195,614,862.90 is: 293,534,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,499,266.10 : 778,047,497.55 = 195,614,862.90 : x
  2. Step 2: Convert to fraction form
    518,499,266.10/778,047,497.55 = 195,614,862.90/x
  3. Step 3: Cross multiply
    518,499,266.10x = 778,047,497.55 × 195,614,862.90
  4. Step 4: Simplify right side
    518,499,266.10x = 152,197,654,562,931,328
  5. Step 5: Solve for x
    x = 152,197,654,562,931,328/518,499,266.10
  6. Step 6: Final answer
    x = 293,534,946.94

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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.