Home / 1,636,621,130.88-2,455,900,221.12-602,208,397.44

Finding the Fourth Proportional to 1,636,621,130.88, 2,455,900,221.12 and 602,208,397.44

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Solution

The fourth proportional to 1,636,621,130.88, 2,455,900,221.12 and 602,208,397.44 is: 903,668,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,621,130.88 : 2,455,900,221.12 = 602,208,397.44 : x
  2. Step 2: Convert to fraction form
    1,636,621,130.88/2,455,900,221.12 = 602,208,397.44/x
  3. Step 3: Cross multiply
    1,636,621,130.88x = 2,455,900,221.12 × 602,208,397.44
  4. Step 4: Simplify right side
    1,636,621,130.88x = 1,478,963,736,433,217,024
  5. Step 5: Solve for x
    x = 1,478,963,736,433,217,024/1,636,621,130.88
  6. Step 6: Final answer
    x = 903,668,972.94

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Double scale
Find fourth proportional to 1,636,621,131.88, 2,455,900,222.62 and 602,208,398.44
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1.5x scale

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.