Home / 747,927,111.48-1,032,142,669.90-408,842,510.03

Finding the Fourth Proportional to 747,927,111.48, 1,032,142,669.90 and 408,842,510.03

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Solution

The fourth proportional to 747,927,111.48, 1,032,142,669.90 and 408,842,510.03 is: 564,204,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,927,111.48 : 1,032,142,669.90 = 408,842,510.03 : x
  2. Step 2: Convert to fraction form
    747,927,111.48/1,032,142,669.90 = 408,842,510.03/x
  3. Step 3: Cross multiply
    747,927,111.48x = 1,032,142,669.90 × 408,842,510.03
  4. Step 4: Simplify right side
    747,927,111.48x = 421,983,799,868,669,440
  5. Step 5: Solve for x
    x = 421,983,799,868,669,440/747,927,111.48
  6. Step 6: Final answer
    x = 564,204,443.71

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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.