Home / 355,553,637,801.47-490,664,506,054.40-192,973,286,209.01

Finding the Fourth Proportional to 355,553,637,801.47, 490,664,506,054.40 and 192,973,286,209.01

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Solution

The fourth proportional to 355,553,637,801.47, 490,664,506,054.40 and 192,973,286,209.01 is: 266,303,398,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,553,637,801.47 : 490,664,506,054.40 = 192,973,286,209.01 : x
  2. Step 2: Convert to fraction form
    355,553,637,801.47/490,664,506,054.40 = 192,973,286,209.01/x
  3. Step 3: Cross multiply
    355,553,637,801.47x = 490,664,506,054.40 × 192,973,286,209.01
  4. Step 4: Simplify right side
    355,553,637,801.47x = 94,685,142,159,438,255,226,880
  5. Step 5: Solve for x
    x = 94,685,142,159,438,255,226,880/355,553,637,801.47
  6. Step 6: Final answer
    x = 266,303,398,679.63

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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.