Home / 1,031,557,726.80-1,547,336,590.20-514,997,074.80

Finding the Fourth Proportional to 1,031,557,726.80, 1,547,336,590.20 and 514,997,074.80

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Solution

The fourth proportional to 1,031,557,726.80, 1,547,336,590.20 and 514,997,074.80 is: 772,495,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,557,726.80 : 1,547,336,590.20 = 514,997,074.80 : x
  2. Step 2: Convert to fraction form
    1,031,557,726.80/1,547,336,590.20 = 514,997,074.80/x
  3. Step 3: Cross multiply
    1,031,557,726.80x = 1,547,336,590.20 × 514,997,074.80
  4. Step 4: Simplify right side
    1,031,557,726.80x = 796,873,817,684,006,400
  5. Step 5: Solve for x
    x = 796,873,817,684,006,400/1,031,557,726.80
  6. Step 6: Final answer
    x = 772,495,612.20

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Double scale
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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.