Home / 631,154,459.70-946,731,689.55-355,655,445.30

Finding the Fourth Proportional to 631,154,459.70, 946,731,689.55 and 355,655,445.30

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Solution

The fourth proportional to 631,154,459.70, 946,731,689.55 and 355,655,445.30 is: 533,483,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,154,459.70 : 946,731,689.55 = 355,655,445.30 : x
  2. Step 2: Convert to fraction form
    631,154,459.70/946,731,689.55 = 355,655,445.30/x
  3. Step 3: Cross multiply
    631,154,459.70x = 946,731,689.55 × 355,655,445.30
  4. Step 4: Simplify right side
    631,154,459.70x = 336,710,280,626,526,592
  5. Step 5: Solve for x
    x = 336,710,280,626,526,592/631,154,459.70
  6. Step 6: Final answer
    x = 533,483,167.95

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Half scale
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Double scale
Find fourth proportional to 631,154,460.70, 946,731,691.05 and 355,655,446.30
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.