Home / 1,029,807,518.38-1,421,182,960.59-583,779,526.36

Finding the Fourth Proportional to 1,029,807,518.38, 1,421,182,960.59 and 583,779,526.36

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Solution

The fourth proportional to 1,029,807,518.38, 1,421,182,960.59 and 583,779,526.36 is: 805,643,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,807,518.38 : 1,421,182,960.59 = 583,779,526.36 : x
  2. Step 2: Convert to fraction form
    1,029,807,518.38/1,421,182,960.59 = 583,779,526.36/x
  3. Step 3: Cross multiply
    1,029,807,518.38x = 1,421,182,960.59 × 583,779,526.36
  4. Step 4: Simplify right side
    1,029,807,518.38x = 829,657,515,604,132,736
  5. Step 5: Solve for x
    x = 829,657,515,604,132,736/1,029,807,518.38
  6. Step 6: Final answer
    x = 805,643,288.48

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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.