Home / 710,838,905.16-1,066,371,953.40-219,436,670.10

Finding the Fourth Proportional to 710,838,905.16, 1,066,371,953.40 and 219,436,670.10

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Solution

The fourth proportional to 710,838,905.16, 1,066,371,953.40 and 219,436,670.10 is: 329,190,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,838,905.16 : 1,066,371,953.40 = 219,436,670.10 : x
  2. Step 2: Convert to fraction form
    710,838,905.16/1,066,371,953.40 = 219,436,670.10/x
  3. Step 3: Cross multiply
    710,838,905.16x = 1,066,371,953.40 × 219,436,670.10
  4. Step 4: Simplify right side
    710,838,905.16x = 234,001,110,542,128,352
  5. Step 5: Solve for x
    x = 234,001,110,542,128,352/710,838,905.16
  6. Step 6: Final answer
    x = 329,190,072.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.