Home / 388,077,424,838.64-581,595,803,199.72-302,031,580,382.64

Finding the Fourth Proportional to 388,077,424,838.64, 581,595,803,199.72 and 302,031,580,382.64

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Solution

The fourth proportional to 388,077,424,838.64, 581,595,803,199.72 and 302,031,580,382.64 is: 452,642,406,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,077,424,838.64 : 581,595,803,199.72 = 302,031,580,382.64 : x
  2. Step 2: Convert to fraction form
    388,077,424,838.64/581,595,803,199.72 = 302,031,580,382.64/x
  3. Step 3: Cross multiply
    388,077,424,838.64x = 581,595,803,199.72 × 302,031,580,382.64
  4. Step 4: Simplify right side
    388,077,424,838.64x = 175,660,299,584,322,297,397,248
  5. Step 5: Solve for x
    x = 175,660,299,584,322,297,397,248/388,077,424,838.64
  6. Step 6: Final answer
    x = 452,642,406,750.05

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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.