Home / 932,403,802.12-1,286,710,701.23-509,017,463.30

Finding the Fourth Proportional to 932,403,802.12, 1,286,710,701.23 and 509,017,463.30

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Solution

The fourth proportional to 932,403,802.12, 1,286,710,701.23 and 509,017,463.30 is: 702,440,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,403,802.12 : 1,286,710,701.23 = 509,017,463.30 : x
  2. Step 2: Convert to fraction form
    932,403,802.12/1,286,710,701.23 = 509,017,463.30/x
  3. Step 3: Cross multiply
    932,403,802.12x = 1,286,710,701.23 × 509,017,463.30
  4. Step 4: Simplify right side
    932,403,802.12x = 654,958,217,141,058,816
  5. Step 5: Solve for x
    x = 654,958,217,141,058,816/932,403,802.12
  6. Step 6: Final answer
    x = 702,440,525.93

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Double scale
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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.