Home / 767,123,709.46-1,058,918,598.22-502,822,724.74

Finding the Fourth Proportional to 767,123,709.46, 1,058,918,598.22 and 502,822,724.74

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Solution

The fourth proportional to 767,123,709.46, 1,058,918,598.22 and 502,822,724.74 is: 694,084,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,123,709.46 : 1,058,918,598.22 = 502,822,724.74 : x
  2. Step 2: Convert to fraction form
    767,123,709.46/1,058,918,598.22 = 502,822,724.74/x
  3. Step 3: Cross multiply
    767,123,709.46x = 1,058,918,598.22 × 502,822,724.74
  4. Step 4: Simplify right side
    767,123,709.46x = 532,448,334,834,841,728
  5. Step 5: Solve for x
    x = 532,448,334,834,841,728/767,123,709.46
  6. Step 6: Final answer
    x = 694,084,054.85

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Double scale
Find fourth proportional to 767,123,710.46, 1,058,918,599.60 and 502,822,725.74
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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.