Home / 1,050,556,988.60-1,575,835,482.90-808,692,284.60

Finding the Fourth Proportional to 1,050,556,988.60, 1,575,835,482.90 and 808,692,284.60

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Solution

The fourth proportional to 1,050,556,988.60, 1,575,835,482.90 and 808,692,284.60 is: 1,213,038,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,556,988.60 : 1,575,835,482.90 = 808,692,284.60 : x
  2. Step 2: Convert to fraction form
    1,050,556,988.60/1,575,835,482.90 = 808,692,284.60/x
  3. Step 3: Cross multiply
    1,050,556,988.60x = 1,575,835,482.90 × 808,692,284.60
  4. Step 4: Simplify right side
    1,050,556,988.60x = 1,274,365,996,820,145,408
  5. Step 5: Solve for x
    x = 1,274,365,996,820,145,408/1,050,556,988.60
  6. Step 6: Final answer
    x = 1,213,038,426.90

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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.