Home / 514,103,210.88-709,482,773.12-288,044,144.40

Finding the Fourth Proportional to 514,103,210.88, 709,482,773.12 and 288,044,144.40

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Solution

The fourth proportional to 514,103,210.88, 709,482,773.12 and 288,044,144.40 is: 397,512,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,103,210.88 : 709,482,773.12 = 288,044,144.40 : x
  2. Step 2: Convert to fraction form
    514,103,210.88/709,482,773.12 = 288,044,144.40/x
  3. Step 3: Cross multiply
    514,103,210.88x = 709,482,773.12 × 288,044,144.40
  4. Step 4: Simplify right side
    514,103,210.88x = 204,362,358,349,889,696
  5. Step 5: Solve for x
    x = 204,362,358,349,889,696/514,103,210.88
  6. Step 6: Final answer
    x = 397,512,316.64

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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.