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Finding the Fourth Proportional to 962,966,768.65, 1,443,994,803.16 and 373,033,305.47

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Solution

The fourth proportional to 962,966,768.65, 1,443,994,803.16 and 373,033,305.47 is: 559,373,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,966,768.65 : 1,443,994,803.16 = 373,033,305.47 : x
  2. Step 2: Convert to fraction form
    962,966,768.65/1,443,994,803.16 = 373,033,305.47/x
  3. Step 3: Cross multiply
    962,966,768.65x = 1,443,994,803.16 × 373,033,305.47
  4. Step 4: Simplify right side
    962,966,768.65x = 538,658,154,506,954,240
  5. Step 5: Solve for x
    x = 538,658,154,506,954,240/962,966,768.65
  6. Step 6: Final answer
    x = 559,373,565.16

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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.