Home / 1,219,711,123,803.60-1,685,616,376,168.40-999,632,695,898

Finding the Fourth Proportional to 1,219,711,123,803.60, 1,685,616,376,168.40 and 999,632,695,898

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Solution

The fourth proportional to 1,219,711,123,803.60, 1,685,616,376,168.40 and 999,632,695,898 is: 1,381,472,390,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,711,123,803.60 : 1,685,616,376,168.40 = 999,632,695,898 : x
  2. Step 2: Convert to fraction form
    1,219,711,123,803.60/1,685,616,376,168.40 = 999,632,695,898/x
  3. Step 3: Cross multiply
    1,219,711,123,803.60x = 1,685,616,376,168.40 × 999,632,695,898
  4. Step 4: Simplify right side
    1,219,711,123,803.60x = 1,684,997,242,359,034,828,292,096
  5. Step 5: Solve for x
    x = 1,684,997,242,359,034,828,292,096/1,219,711,123,803.60
  6. Step 6: Final answer
    x = 1,381,472,390,859.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.