Home / 626,603,729.34-864,736,483.05-375,748,962.72

Finding the Fourth Proportional to 626,603,729.34, 864,736,483.05 and 375,748,962.72

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Solution

The fourth proportional to 626,603,729.34, 864,736,483.05 and 375,748,962.72 is: 518,547,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,603,729.34 : 864,736,483.05 = 375,748,962.72 : x
  2. Step 2: Convert to fraction form
    626,603,729.34/864,736,483.05 = 375,748,962.72/x
  3. Step 3: Cross multiply
    626,603,729.34x = 864,736,483.05 × 375,748,962.72
  4. Step 4: Simplify right side
    626,603,729.34x = 324,923,836,532,178,368
  5. Step 5: Solve for x
    x = 324,923,836,532,178,368/626,603,729.34
  6. Step 6: Final answer
    x = 518,547,562.55

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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.