Home / 1,208,963,518,923.90-1,813,700,000,710.20-392,072,569,265.97

Finding the Fourth Proportional to 1,208,963,518,923.90, 1,813,700,000,710.20 and 392,072,569,265.97

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Solution

The fourth proportional to 1,208,963,518,923.90, 1,813,700,000,710.20 and 392,072,569,265.97 is: 588,191,461,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,963,518,923.90 : 1,813,700,000,710.20 = 392,072,569,265.97 : x
  2. Step 2: Convert to fraction form
    1,208,963,518,923.90/1,813,700,000,710.20 = 392,072,569,265.97/x
  3. Step 3: Cross multiply
    1,208,963,518,923.90x = 1,813,700,000,710.20 × 392,072,569,265.97
  4. Step 4: Simplify right side
    1,208,963,518,923.90x = 711,102,019,156,139,594,219,520
  5. Step 5: Solve for x
    x = 711,102,019,156,139,594,219,520/1,208,963,518,923.90
  6. Step 6: Final answer
    x = 588,191,461,549.72

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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.