Home / 805,658,888,356.30-1,112,311,118,251-512,849,085,748.42

Finding the Fourth Proportional to 805,658,888,356.30, 1,112,311,118,251 and 512,849,085,748.42

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Solution

The fourth proportional to 805,658,888,356.30, 1,112,311,118,251 and 512,849,085,748.42 is: 708,051,196,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,658,888,356.30 : 1,112,311,118,251 = 512,849,085,748.42 : x
  2. Step 2: Convert to fraction form
    805,658,888,356.30/1,112,311,118,251 = 512,849,085,748.42/x
  3. Step 3: Cross multiply
    805,658,888,356.30x = 1,112,311,118,251 × 512,849,085,748.42
  4. Step 4: Simplify right side
    805,658,888,356.30x = 570,447,740,062,828,029,018,112
  5. Step 5: Solve for x
    x = 570,447,740,062,828,029,018,112/805,658,888,356.30
  6. Step 6: Final answer
    x = 708,051,196,737.43

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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.