Home / 28,403,048,280.70-42,604,572,421.05-11,852,700,082.30

Finding the Fourth Proportional to 28,403,048,280.70, 42,604,572,421.05 and 11,852,700,082.30

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Solution

The fourth proportional to 28,403,048,280.70, 42,604,572,421.05 and 11,852,700,082.30 is: 17,779,050,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,048,280.70 : 42,604,572,421.05 = 11,852,700,082.30 : x
  2. Step 2: Convert to fraction form
    28,403,048,280.70/42,604,572,421.05 = 11,852,700,082.30/x
  3. Step 3: Cross multiply
    28,403,048,280.70x = 42,604,572,421.05 × 11,852,700,082.30
  4. Step 4: Simplify right side
    28,403,048,280.70x = 504,979,219,041,335,640,064
  5. Step 5: Solve for x
    x = 504,979,219,041,335,640,064/28,403,048,280.70
  6. Step 6: Final answer
    x = 17,779,050,123.45

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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.