Home / 564,874,183.20-779,506,490.88-310,553,688.24

Finding the Fourth Proportional to 564,874,183.20, 779,506,490.88 and 310,553,688.24

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Solution

The fourth proportional to 564,874,183.20, 779,506,490.88 and 310,553,688.24 is: 428,553,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,874,183.20 : 779,506,490.88 = 310,553,688.24 : x
  2. Step 2: Convert to fraction form
    564,874,183.20/779,506,490.88 = 310,553,688.24/x
  3. Step 3: Cross multiply
    564,874,183.20x = 779,506,490.88 × 310,553,688.24
  4. Step 4: Simplify right side
    564,874,183.20x = 242,078,615,749,803,936
  5. Step 5: Solve for x
    x = 242,078,615,749,803,936/564,874,183.20
  6. Step 6: Final answer
    x = 428,553,159.18

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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.