Home / 1,109,688,629.71-1,531,358,117.65-601,038,688.49

Finding the Fourth Proportional to 1,109,688,629.71, 1,531,358,117.65 and 601,038,688.49

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Solution

The fourth proportional to 1,109,688,629.71, 1,531,358,117.65 and 601,038,688.49 is: 829,426,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,688,629.71 : 1,531,358,117.65 = 601,038,688.49 : x
  2. Step 2: Convert to fraction form
    1,109,688,629.71/1,531,358,117.65 = 601,038,688.49/x
  3. Step 3: Cross multiply
    1,109,688,629.71x = 1,531,358,117.65 × 601,038,688.49
  4. Step 4: Simplify right side
    1,109,688,629.71x = 920,405,474,639,176,064
  5. Step 5: Solve for x
    x = 920,405,474,639,176,064/1,109,688,629.71
  6. Step 6: Final answer
    x = 829,426,786.93

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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.