Home / 1,451,503,861.56-2,177,249,578.16-402,239,068.40

Finding the Fourth Proportional to 1,451,503,861.56, 2,177,249,578.16 and 402,239,068.40

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Solution

The fourth proportional to 1,451,503,861.56, 2,177,249,578.16 and 402,239,068.40 is: 603,356,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,503,861.56 : 2,177,249,578.16 = 402,239,068.40 : x
  2. Step 2: Convert to fraction form
    1,451,503,861.56/2,177,249,578.16 = 402,239,068.40/x
  3. Step 3: Cross multiply
    1,451,503,861.56x = 2,177,249,578.16 × 402,239,068.40
  4. Step 4: Simplify right side
    1,451,503,861.56x = 875,774,841,993,371,264
  5. Step 5: Solve for x
    x = 875,774,841,993,371,264/1,451,503,861.56
  6. Step 6: Final answer
    x = 603,356,880.53

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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.