Home / 877,039,119.29-1,315,120,941.12-286,752,468.98

Finding the Fourth Proportional to 877,039,119.29, 1,315,120,941.12 and 286,752,468.98

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Solution

The fourth proportional to 877,039,119.29, 1,315,120,941.12 and 286,752,468.98 is: 429,985,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,039,119.29 : 1,315,120,941.12 = 286,752,468.98 : x
  2. Step 2: Convert to fraction form
    877,039,119.29/1,315,120,941.12 = 286,752,468.98/x
  3. Step 3: Cross multiply
    877,039,119.29x = 1,315,120,941.12 × 286,752,468.98
  4. Step 4: Simplify right side
    877,039,119.29x = 377,114,176,873,461,184
  5. Step 5: Solve for x
    x = 377,114,176,873,461,184/877,039,119.29
  6. Step 6: Final answer
    x = 429,985,582.83

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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.