Home / 1,513,361,390.10-2,270,042,085.15-695,473,691.10

Finding the Fourth Proportional to 1,513,361,390.10, 2,270,042,085.15 and 695,473,691.10

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Solution

The fourth proportional to 1,513,361,390.10, 2,270,042,085.15 and 695,473,691.10 is: 1,043,210,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,361,390.10 : 2,270,042,085.15 = 695,473,691.10 : x
  2. Step 2: Convert to fraction form
    1,513,361,390.10/2,270,042,085.15 = 695,473,691.10/x
  3. Step 3: Cross multiply
    1,513,361,390.10x = 2,270,042,085.15 × 695,473,691.10
  4. Step 4: Simplify right side
    1,513,361,390.10x = 1,578,754,547,911,611,136
  5. Step 5: Solve for x
    x = 1,578,754,547,911,611,136/1,513,361,390.10
  6. Step 6: Final answer
    x = 1,043,210,536.65

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Double scale
Find fourth proportional to 1,513,361,391.10, 2,270,042,086.65 and 695,473,692.10
Similar ratio
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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.