Home / 883,151,291.02-1,218,756,841.85-486,688,505.63

Finding the Fourth Proportional to 883,151,291.02, 1,218,756,841.85 and 486,688,505.63

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Solution

The fourth proportional to 883,151,291.02, 1,218,756,841.85 and 486,688,505.63 is: 671,634,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,151,291.02 : 1,218,756,841.85 = 486,688,505.63 : x
  2. Step 2: Convert to fraction form
    883,151,291.02/1,218,756,841.85 = 486,688,505.63/x
  3. Step 3: Cross multiply
    883,151,291.02x = 1,218,756,841.85 × 486,688,505.63
  4. Step 4: Simplify right side
    883,151,291.02x = 593,154,946,083,881,344
  5. Step 5: Solve for x
    x = 593,154,946,083,881,344/883,151,291.02
  6. Step 6: Final answer
    x = 671,634,579.62

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Double scale
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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.