Home / 1,224,421,795.17-1,689,685,940.93-688,573,301.27

Finding the Fourth Proportional to 1,224,421,795.17, 1,689,685,940.93 and 688,573,301.27

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Solution

The fourth proportional to 1,224,421,795.17, 1,689,685,940.93 and 688,573,301.27 is: 950,222,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,421,795.17 : 1,689,685,940.93 = 688,573,301.27 : x
  2. Step 2: Convert to fraction form
    1,224,421,795.17/1,689,685,940.93 = 688,573,301.27/x
  3. Step 3: Cross multiply
    1,224,421,795.17x = 1,689,685,940.93 × 688,573,301.27
  4. Step 4: Simplify right side
    1,224,421,795.17x = 1,163,472,626,443,784,960
  5. Step 5: Solve for x
    x = 1,163,472,626,443,784,960/1,224,421,795.17
  6. Step 6: Final answer
    x = 950,222,081.18

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1.5x scale

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.