Home / 1,072,011,929.64-1,607,329,678.20-416,264,222.40

Finding the Fourth Proportional to 1,072,011,929.64, 1,607,329,678.20 and 416,264,222.40

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Solution

The fourth proportional to 1,072,011,929.64, 1,607,329,678.20 and 416,264,222.40 is: 624,129,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,011,929.64 : 1,607,329,678.20 = 416,264,222.40 : x
  2. Step 2: Convert to fraction form
    1,072,011,929.64/1,607,329,678.20 = 416,264,222.40/x
  3. Step 3: Cross multiply
    1,072,011,929.64x = 1,607,329,678.20 × 416,264,222.40
  4. Step 4: Simplify right side
    1,072,011,929.64x = 669,073,838,636,365,184
  5. Step 5: Solve for x
    x = 669,073,838,636,365,184/1,072,011,929.64
  6. Step 6: Final answer
    x = 624,129,097.95

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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.