Home / 1,235,402,781.04-1,853,102,606.64-315,279,140.32

Finding the Fourth Proportional to 1,235,402,781.04, 1,853,102,606.64 and 315,279,140.32

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Solution

The fourth proportional to 1,235,402,781.04, 1,853,102,606.64 and 315,279,140.32 is: 472,918,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,402,781.04 : 1,853,102,606.64 = 315,279,140.32 : x
  2. Step 2: Convert to fraction form
    1,235,402,781.04/1,853,102,606.64 = 315,279,140.32/x
  3. Step 3: Cross multiply
    1,235,402,781.04x = 1,853,102,606.64 × 315,279,140.32
  4. Step 4: Simplify right side
    1,235,402,781.04x = 584,244,596,746,210,304
  5. Step 5: Solve for x
    x = 584,244,596,746,210,304/1,235,402,781.04
  6. Step 6: Final answer
    x = 472,918,311.11

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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.