Home / 855,885,291.11-1,282,931,898.68-358,180,963.06

Finding the Fourth Proportional to 855,885,291.11, 1,282,931,898.68 and 358,180,963.06

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Solution

The fourth proportional to 855,885,291.11, 1,282,931,898.68 and 358,180,963.06 is: 536,896,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,885,291.11 : 1,282,931,898.68 = 358,180,963.06 : x
  2. Step 2: Convert to fraction form
    855,885,291.11/1,282,931,898.68 = 358,180,963.06/x
  3. Step 3: Cross multiply
    855,885,291.11x = 1,282,931,898.68 × 358,180,963.06
  4. Step 4: Simplify right side
    855,885,291.11x = 459,521,783,009,596,800
  5. Step 5: Solve for x
    x = 459,521,783,009,596,800/855,885,291.11
  6. Step 6: Final answer
    x = 536,896,460.05

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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.