Home / 711,376,935.33-1,068,286,547.25-436,641,424.50

Finding the Fourth Proportional to 711,376,935.33, 1,068,286,547.25 and 436,641,424.50

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Solution

The fourth proportional to 711,376,935.33, 1,068,286,547.25 and 436,641,424.50 is: 655,711,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,376,935.33 : 1,068,286,547.25 = 436,641,424.50 : x
  2. Step 2: Convert to fraction form
    711,376,935.33/1,068,286,547.25 = 436,641,424.50/x
  3. Step 3: Cross multiply
    711,376,935.33x = 1,068,286,547.25 × 436,641,424.50
  4. Step 4: Simplify right side
    711,376,935.33x = 466,458,159,765,426,560
  5. Step 5: Solve for x
    x = 466,458,159,765,426,560/711,376,935.33
  6. Step 6: Final answer
    x = 655,711,672.11

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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.