Home / 651,634,977.60-977,452,466.40-580,209,307.20

Finding the Fourth Proportional to 651,634,977.60, 977,452,466.40 and 580,209,307.20

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Solution

The fourth proportional to 651,634,977.60, 977,452,466.40 and 580,209,307.20 is: 870,313,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,634,977.60 : 977,452,466.40 = 580,209,307.20 : x
  2. Step 2: Convert to fraction form
    651,634,977.60/977,452,466.40 = 580,209,307.20/x
  3. Step 3: Cross multiply
    651,634,977.60x = 977,452,466.40 × 580,209,307.20
  4. Step 4: Simplify right side
    651,634,977.60x = 567,127,018,350,875,328
  5. Step 5: Solve for x
    x = 567,127,018,350,875,328/651,634,977.60
  6. Step 6: Final answer
    x = 870,313,960.80

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Similar ratio
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1.5x scale

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.