Home / 935,278,058.47-1,290,631,207.02-511,890,857.06

Finding the Fourth Proportional to 935,278,058.47, 1,290,631,207.02 and 511,890,857.06

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Solution

The fourth proportional to 935,278,058.47, 1,290,631,207.02 and 511,890,857.06 is: 706,380,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,278,058.47 : 1,290,631,207.02 = 511,890,857.06 : x
  2. Step 2: Convert to fraction form
    935,278,058.47/1,290,631,207.02 = 511,890,857.06/x
  3. Step 3: Cross multiply
    935,278,058.47x = 1,290,631,207.02 × 511,890,857.06
  4. Step 4: Simplify right side
    935,278,058.47x = 660,662,314,712,697,856
  5. Step 5: Solve for x
    x = 660,662,314,712,697,856/935,278,058.47
  6. Step 6: Final answer
    x = 706,380,641.27

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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.