Home / 519,168,031.40-778,752,047.10-314,926,725.80

Finding the Fourth Proportional to 519,168,031.40, 778,752,047.10 and 314,926,725.80

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Solution

The fourth proportional to 519,168,031.40, 778,752,047.10 and 314,926,725.80 is: 472,390,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,168,031.40 : 778,752,047.10 = 314,926,725.80 : x
  2. Step 2: Convert to fraction form
    519,168,031.40/778,752,047.10 = 314,926,725.80/x
  3. Step 3: Cross multiply
    519,168,031.40x = 778,752,047.10 × 314,926,725.80
  4. Step 4: Simplify right side
    519,168,031.40x = 245,249,832,403,250,400
  5. Step 5: Solve for x
    x = 245,249,832,403,250,400/519,168,031.40
  6. Step 6: Final answer
    x = 472,390,088.70

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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.