Home / 1,020,175,817.45-1,528,669,403.07-709,889,671.67

Finding the Fourth Proportional to 1,020,175,817.45, 1,528,669,403.07 and 709,889,671.67

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Solution

The fourth proportional to 1,020,175,817.45, 1,528,669,403.07 and 709,889,671.67 is: 1,063,725,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,175,817.45 : 1,528,669,403.07 = 709,889,671.67 : x
  2. Step 2: Convert to fraction form
    1,020,175,817.45/1,528,669,403.07 = 709,889,671.67/x
  3. Step 3: Cross multiply
    1,020,175,817.45x = 1,528,669,403.07 × 709,889,671.67
  4. Step 4: Simplify right side
    1,020,175,817.45x = 1,085,186,620,629,693,696
  5. Step 5: Solve for x
    x = 1,085,186,620,629,693,696/1,020,175,817.45
  6. Step 6: Final answer
    x = 1,063,725,097.26

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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.