Home / 746,798,421.60-1,120,197,632.40-315,920,930.40

Finding the Fourth Proportional to 746,798,421.60, 1,120,197,632.40 and 315,920,930.40

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Solution

The fourth proportional to 746,798,421.60, 1,120,197,632.40 and 315,920,930.40 is: 473,881,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,798,421.60 : 1,120,197,632.40 = 315,920,930.40 : x
  2. Step 2: Convert to fraction form
    746,798,421.60/1,120,197,632.40 = 315,920,930.40/x
  3. Step 3: Cross multiply
    746,798,421.60x = 1,120,197,632.40 × 315,920,930.40
  4. Step 4: Simplify right side
    746,798,421.60x = 353,893,878,259,685,184
  5. Step 5: Solve for x
    x = 353,893,878,259,685,184/746,798,421.60
  6. Step 6: Final answer
    x = 473,881,395.60

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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.