Home / 1,386,752,369.56-1,913,839,339.24-760,341,866.40

Finding the Fourth Proportional to 1,386,752,369.56, 1,913,839,339.24 and 760,341,866.40

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Solution

The fourth proportional to 1,386,752,369.56, 1,913,839,339.24 and 760,341,866.40 is: 1,049,338,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,752,369.56 : 1,913,839,339.24 = 760,341,866.40 : x
  2. Step 2: Convert to fraction form
    1,386,752,369.56/1,913,839,339.24 = 760,341,866.40/x
  3. Step 3: Cross multiply
    1,386,752,369.56x = 1,913,839,339.24 × 760,341,866.40
  4. Step 4: Simplify right side
    1,386,752,369.56x = 1,455,172,175,187,484,416
  5. Step 5: Solve for x
    x = 1,455,172,175,187,484,416/1,386,752,369.56
  6. Step 6: Final answer
    x = 1,049,338,156.64

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1.5x scale

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.