Home / 27,549,221,858.19-38,017,832,933.95-15,506,225,688.87

Finding the Fourth Proportional to 27,549,221,858.19, 38,017,832,933.95 and 15,506,225,688.87

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Solution

The fourth proportional to 27,549,221,858.19, 38,017,832,933.95 and 15,506,225,688.87 is: 21,398,538,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,549,221,858.19 : 38,017,832,933.95 = 15,506,225,688.87 : x
  2. Step 2: Convert to fraction form
    27,549,221,858.19/38,017,832,933.95 = 15,506,225,688.87/x
  3. Step 3: Cross multiply
    27,549,221,858.19x = 38,017,832,933.95 × 15,506,225,688.87
  4. Step 4: Simplify right side
    27,549,221,858.19x = 589,513,097,675,552,391,168
  5. Step 5: Solve for x
    x = 589,513,097,675,552,391,168/27,549,221,858.19
  6. Step 6: Final answer
    x = 21,398,538,975.44

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Double scale
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1.5x scale

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.