Home / 387,073,386.80-579,938,233.80-362,886,916.40

Finding the Fourth Proportional to 387,073,386.80, 579,938,233.80 and 362,886,916.40

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Solution

The fourth proportional to 387,073,386.80, 579,938,233.80 and 362,886,916.40 is: 543,700,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,073,386.80 : 579,938,233.80 = 362,886,916.40 : x
  2. Step 2: Convert to fraction form
    387,073,386.80/579,938,233.80 = 362,886,916.40/x
  3. Step 3: Cross multiply
    387,073,386.80x = 579,938,233.80 × 362,886,916.40
  4. Step 4: Simplify right side
    387,073,386.80x = 210,451,997,366,144,224
  5. Step 5: Solve for x
    x = 210,451,997,366,144,224/387,073,386.80
  6. Step 6: Final answer
    x = 543,700,508.85

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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.