Home / 514,312,240.06-709,809,770.32-288,312,264.07

Finding the Fourth Proportional to 514,312,240.06, 709,809,770.32 and 288,312,264.07

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Solution

The fourth proportional to 514,312,240.06, 709,809,770.32 and 288,312,264.07 is: 397,903,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,312,240.06 : 709,809,770.32 = 288,312,264.07 : x
  2. Step 2: Convert to fraction form
    514,312,240.06/709,809,770.32 = 288,312,264.07/x
  3. Step 3: Cross multiply
    514,312,240.06x = 709,809,770.32 × 288,312,264.07
  4. Step 4: Simplify right side
    514,312,240.06x = 204,646,861,937,470,592
  5. Step 5: Solve for x
    x = 204,646,861,937,470,592/514,312,240.06
  6. Step 6: Final answer
    x = 397,903,930.72

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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.