Home / 583,870,887.03-805,743,959.54-315,946,721.91

Finding the Fourth Proportional to 583,870,887.03, 805,743,959.54 and 315,946,721.91

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Solution

The fourth proportional to 583,870,887.03, 805,743,959.54 and 315,946,721.91 is: 436,007,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,870,887.03 : 805,743,959.54 = 315,946,721.91 : x
  2. Step 2: Convert to fraction form
    583,870,887.03/805,743,959.54 = 315,946,721.91/x
  3. Step 3: Cross multiply
    583,870,887.03x = 805,743,959.54 × 315,946,721.91
  4. Step 4: Simplify right side
    583,870,887.03x = 254,572,162,715,446,688
  5. Step 5: Solve for x
    x = 254,572,162,715,446,688/583,870,887.03
  6. Step 6: Final answer
    x = 436,007,631.77

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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.