Home / 1,636,273,952.42-2,258,064,950.18-921,818,077.88

Finding the Fourth Proportional to 1,636,273,952.42, 2,258,064,950.18 and 921,818,077.88

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Solution

The fourth proportional to 1,636,273,952.42, 2,258,064,950.18 and 921,818,077.88 is: 1,272,112,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,273,952.42 : 2,258,064,950.18 = 921,818,077.88 : x
  2. Step 2: Convert to fraction form
    1,636,273,952.42/2,258,064,950.18 = 921,818,077.88/x
  3. Step 3: Cross multiply
    1,636,273,952.42x = 2,258,064,950.18 × 921,818,077.88
  4. Step 4: Simplify right side
    1,636,273,952.42x = 2,081,525,092,087,226,368
  5. Step 5: Solve for x
    x = 2,081,525,092,087,226,368/1,636,273,952.42
  6. Step 6: Final answer
    x = 1,272,112,832.34

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Double scale
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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.