Home / 1,386,752,369.81-1,913,839,339.59-760,341,866.65

Finding the Fourth Proportional to 1,386,752,369.81, 1,913,839,339.59 and 760,341,866.65

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Solution

The fourth proportional to 1,386,752,369.81, 1,913,839,339.59 and 760,341,866.65 is: 1,049,338,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,752,369.81 : 1,913,839,339.59 = 760,341,866.65 : x
  2. Step 2: Convert to fraction form
    1,386,752,369.81/1,913,839,339.59 = 760,341,866.65/x
  3. Step 3: Cross multiply
    1,386,752,369.81x = 1,913,839,339.59 × 760,341,866.65
  4. Step 4: Simplify right side
    1,386,752,369.81x = 1,455,172,175,928,262,144
  5. Step 5: Solve for x
    x = 1,455,172,175,928,262,144/1,386,752,369.81
  6. Step 6: Final answer
    x = 1,049,338,156.98

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Double scale
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Why These Related Problems?

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