Home / 927,142,707.40-1,390,714,061.10-237,013,424.80

Finding the Fourth Proportional to 927,142,707.40, 1,390,714,061.10 and 237,013,424.80

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Solution

The fourth proportional to 927,142,707.40, 1,390,714,061.10 and 237,013,424.80 is: 355,520,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,142,707.40 : 1,390,714,061.10 = 237,013,424.80 : x
  2. Step 2: Convert to fraction form
    927,142,707.40/1,390,714,061.10 = 237,013,424.80/x
  3. Step 3: Cross multiply
    927,142,707.40x = 1,390,714,061.10 × 237,013,424.80
  4. Step 4: Simplify right side
    927,142,707.40x = 329,617,902,538,827,456
  5. Step 5: Solve for x
    x = 329,617,902,538,827,456/927,142,707.40
  6. Step 6: Final answer
    x = 355,520,137.20

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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.