Home / 435,694,328.20-653,541,492.30-402,437,931.40

Finding the Fourth Proportional to 435,694,328.20, 653,541,492.30 and 402,437,931.40

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Solution

The fourth proportional to 435,694,328.20, 653,541,492.30 and 402,437,931.40 is: 603,656,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,694,328.20 : 653,541,492.30 = 402,437,931.40 : x
  2. Step 2: Convert to fraction form
    435,694,328.20/653,541,492.30 = 402,437,931.40/x
  3. Step 3: Cross multiply
    435,694,328.20x = 653,541,492.30 × 402,437,931.40
  4. Step 4: Simplify right side
    435,694,328.20x = 263,009,886,245,280,992
  5. Step 5: Solve for x
    x = 263,009,886,245,280,992/435,694,328.20
  6. Step 6: Final answer
    x = 603,656,897.10

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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.