Home / 630,594,681.29-870,203,800.10-348,331,047.11

Finding the Fourth Proportional to 630,594,681.29, 870,203,800.10 and 348,331,047.11

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Solution

The fourth proportional to 630,594,681.29, 870,203,800.10 and 348,331,047.11 is: 480,687,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,594,681.29 : 870,203,800.10 = 348,331,047.11 : x
  2. Step 2: Convert to fraction form
    630,594,681.29/870,203,800.10 = 348,331,047.11/x
  3. Step 3: Cross multiply
    630,594,681.29x = 870,203,800.10 × 348,331,047.11
  4. Step 4: Simplify right side
    630,594,681.29x = 303,119,000,886,192,512
  5. Step 5: Solve for x
    x = 303,119,000,886,192,512/630,594,681.29
  6. Step 6: Final answer
    x = 480,687,531.75

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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.