Home / 480,875,006,574.72-663,668,730,918.72-290,782,047,127.68

Finding the Fourth Proportional to 480,875,006,574.72, 663,668,730,918.72 and 290,782,047,127.68

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Solution

The fourth proportional to 480,875,006,574.72, 663,668,730,918.72 and 290,782,047,127.68 is: 401,316,245,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,875,006,574.72 : 663,668,730,918.72 = 290,782,047,127.68 : x
  2. Step 2: Convert to fraction form
    480,875,006,574.72/663,668,730,918.72 = 290,782,047,127.68/x
  3. Step 3: Cross multiply
    480,875,006,574.72x = 663,668,730,918.72 × 290,782,047,127.68
  4. Step 4: Simplify right side
    480,875,006,574.72x = 192,982,952,191,174,803,193,856
  5. Step 5: Solve for x
    x = 192,982,952,191,174,803,193,856/480,875,006,574.72
  6. Step 6: Final answer
    x = 401,316,245,495.47

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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.