Home / 455,919,838.95-629,169,915.65-247,075,981.05

Finding the Fourth Proportional to 455,919,838.95, 629,169,915.65 and 247,075,981.05

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Solution

The fourth proportional to 455,919,838.95, 629,169,915.65 and 247,075,981.05 is: 340,965,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,838.95 : 629,169,915.65 = 247,075,981.05 : x
  2. Step 2: Convert to fraction form
    455,919,838.95/629,169,915.65 = 247,075,981.05/x
  3. Step 3: Cross multiply
    455,919,838.95x = 629,169,915.65 × 247,075,981.05
  4. Step 4: Simplify right side
    455,919,838.95x = 155,452,774,155,134,112
  5. Step 5: Solve for x
    x = 155,452,774,155,134,112/455,919,838.95
  6. Step 6: Final answer
    x = 340,965,145.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.