Home / 623,755,715.30-934,625,803.35-393,312,400.10

Finding the Fourth Proportional to 623,755,715.30, 934,625,803.35 and 393,312,400.10

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Solution

The fourth proportional to 623,755,715.30, 934,625,803.35 and 393,312,400.10 is: 589,333,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,755,715.30 : 934,625,803.35 = 393,312,400.10 : x
  2. Step 2: Convert to fraction form
    623,755,715.30/934,625,803.35 = 393,312,400.10/x
  3. Step 3: Cross multiply
    623,755,715.30x = 934,625,803.35 × 393,312,400.10
  4. Step 4: Simplify right side
    623,755,715.30x = 367,599,917,910,979,136
  5. Step 5: Solve for x
    x = 367,599,917,910,979,136/623,755,715.30
  6. Step 6: Final answer
    x = 589,333,145.80

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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.